/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 06:30:34,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 06:30:34,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 06:30:34,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 06:30:34,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 06:30:34,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 06:30:34,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 06:30:34,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 06:30:34,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 06:30:34,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 06:30:34,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 06:30:34,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 06:30:34,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 06:30:34,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 06:30:34,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 06:30:34,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 06:30:34,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 06:30:34,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 06:30:34,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 06:30:34,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 06:30:34,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 06:30:34,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 06:30:34,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 06:30:34,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 06:30:34,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 06:30:34,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 06:30:34,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 06:30:34,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 06:30:34,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 06:30:34,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 06:30:34,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 06:30:34,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 06:30:34,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 06:30:34,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 06:30:34,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 06:30:34,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 06:30:34,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 06:30:34,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 06:30:34,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 06:30:34,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 06:30:34,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 06:30:34,316 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 06:30:34,335 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 06:30:34,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 06:30:34,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 06:30:34,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 06:30:34,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 06:30:34,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 06:30:34,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 06:30:34,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 06:30:34,337 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 06:30:34,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 06:30:34,338 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 06:30:34,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 06:30:34,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 06:30:34,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 06:30:34,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 06:30:34,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 06:30:34,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 06:30:34,339 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 06:30:34,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 06:30:34,340 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 06:30:34,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 06:30:34,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 06:30:34,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 06:30:34,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 06:30:34,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 06:30:34,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:30:34,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 06:30:34,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 06:30:34,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 06:30:34,342 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 06:30:34,342 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 06:30:34,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 06:30:34,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 06:30:34,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 06:30:34,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 06:30:34,343 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 06:30:34,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 06:30:34,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 06:30:34,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 06:30:34,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 06:30:34,586 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 06:30:34,588 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 06:30:34,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-05-04 06:30:34,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02aa06f4a/4d1c5075d23a498189ee795061cd99da/FLAG86072cdc6 [2023-05-04 06:30:35,021 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 06:30:35,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c [2023-05-04 06:30:35,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02aa06f4a/4d1c5075d23a498189ee795061cd99da/FLAG86072cdc6 [2023-05-04 06:30:35,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02aa06f4a/4d1c5075d23a498189ee795061cd99da [2023-05-04 06:30:35,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 06:30:35,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 06:30:35,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 06:30:35,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 06:30:35,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 06:30:35,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fb03bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35, skipping insertion in model container [2023-05-04 06:30:35,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 06:30:35,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 06:30:35,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-05-04 06:30:35,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:30:35,624 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 06:30:35,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-horseshoe.wvr.c[3424,3437] [2023-05-04 06:30:35,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 06:30:35,685 INFO L208 MainTranslator]: Completed translation [2023-05-04 06:30:35,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35 WrapperNode [2023-05-04 06:30:35,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 06:30:35,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 06:30:35,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 06:30:35,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 06:30:35,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,733 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 245 [2023-05-04 06:30:35,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 06:30:35,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 06:30:35,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 06:30:35,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 06:30:35,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 06:30:35,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 06:30:35,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 06:30:35,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 06:30:35,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (1/1) ... [2023-05-04 06:30:35,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 06:30:35,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:35,798 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) [2023-05-04 06:30:35,829 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 [2023-05-04 06:30:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 06:30:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 06:30:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 06:30:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 06:30:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 06:30:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 06:30:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 06:30:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 06:30:35,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 06:30:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 06:30:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 06:30:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 06:30:35,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 06:30:35,852 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 06:30:35,939 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 06:30:35,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 06:30:36,280 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 06:30:36,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 06:30:36,422 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-04 06:30:36,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:30:36 BoogieIcfgContainer [2023-05-04 06:30:36,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 06:30:36,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 06:30:36,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 06:30:36,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 06:30:36,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:30:35" (1/3) ... [2023-05-04 06:30:36,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e24b20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:30:36, skipping insertion in model container [2023-05-04 06:30:36,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:30:35" (2/3) ... [2023-05-04 06:30:36,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e24b20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:30:36, skipping insertion in model container [2023-05-04 06:30:36,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:30:36" (3/3) ... [2023-05-04 06:30:36,439 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c [2023-05-04 06:30:36,449 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 06:30:36,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 06:30:36,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 06:30:36,457 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 06:30:36,553 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 06:30:36,608 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:30:36,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 06:30:36,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:36,610 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) [2023-05-04 06:30:36,614 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 [2023-05-04 06:30:36,649 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 06:30:36,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 06:30:36,675 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;@60f4f382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 06:30:36,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 06:30:36,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:36,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:36,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2097582777, now seen corresponding path program 1 times [2023-05-04 06:30:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:36,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997014651] [2023-05-04 06:30:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:36,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-04 06:30:37,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:37,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997014651] [2023-05-04 06:30:37,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997014651] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:30:37,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:30:37,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 06:30:37,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903762080] [2023-05-04 06:30:37,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:30:37,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 06:30:37,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:37,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 06:30:37,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 06:30:37,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:37,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:37,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2023-05-04 06:30:37,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:37,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 06:30:37,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:37,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash -550568025, now seen corresponding path program 1 times [2023-05-04 06:30:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:37,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274433647] [2023-05-04 06:30:37,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2023-05-04 06:30:38,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:38,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274433647] [2023-05-04 06:30:38,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274433647] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:30:38,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:30:38,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:30:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411546243] [2023-05-04 06:30:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:30:38,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:30:38,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:38,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:30:38,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:30:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:38,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.5) internal successors, (165), 6 states have internal predecessors, (165), 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) [2023-05-04 06:30:38,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:38,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 06:30:38,456 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:38,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash 776460503, now seen corresponding path program 1 times [2023-05-04 06:30:38,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:38,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706250278] [2023-05-04 06:30:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:38,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2023-05-04 06:30:38,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:38,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706250278] [2023-05-04 06:30:38,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706250278] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 06:30:38,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 06:30:38,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 06:30:38,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286450573] [2023-05-04 06:30:38,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 06:30:38,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 06:30:38,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:38,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 06:30:38,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-05-04 06:30:38,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:38,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.666666666666668) internal successors, (178), 6 states have internal predecessors, (178), 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) [2023-05-04 06:30:38,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:38,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:38,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:39,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 06:30:39,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash -488363460, now seen corresponding path program 1 times [2023-05-04 06:30:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544082418] [2023-05-04 06:30:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 68 proven. 76 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2023-05-04 06:30:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:39,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544082418] [2023-05-04 06:30:39,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544082418] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:39,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682915192] [2023-05-04 06:30:39,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:39,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:39,770 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) [2023-05-04 06:30:39,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 06:30:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:39,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-04 06:30:40,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-05-04 06:30:40,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 73 proven. 3 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2023-05-04 06:30:40,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682915192] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:40,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:40,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-05-04 06:30:40,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032427787] [2023-05-04 06:30:40,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:40,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-05-04 06:30:40,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:40,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-05-04 06:30:40,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2023-05-04 06:30:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:40,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:40,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 16.045454545454547) internal successors, (353), 22 states have internal predecessors, (353), 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) [2023-05-04 06:30:40,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:40,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:40,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:40,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:41,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 06:30:41,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-05-04 06:30:41,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1711092231, now seen corresponding path program 2 times [2023-05-04 06:30:41,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:41,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009968752] [2023-05-04 06:30:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 73 proven. 149 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-05-04 06:30:42,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:42,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009968752] [2023-05-04 06:30:42,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009968752] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:42,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647024281] [2023-05-04 06:30:42,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:30:42,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:42,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:42,181 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) [2023-05-04 06:30:42,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 06:30:42,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:30:42,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:30:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-04 06:30:42,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 229 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-05-04 06:30:42,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 213 proven. 25 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-05-04 06:30:43,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647024281] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:43,056 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:43,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-05-04 06:30:43,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389770976] [2023-05-04 06:30:43,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:43,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-04 06:30:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:43,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-04 06:30:43,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-05-04 06:30:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:43,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:43,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 11.035714285714286) internal successors, (309), 28 states have internal predecessors, (309), 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) [2023-05-04 06:30:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:43,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:43,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 06:30:43,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:43,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1214323468, now seen corresponding path program 3 times [2023-05-04 06:30:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:43,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595418315] [2023-05-04 06:30:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 84 proven. 217 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-05-04 06:30:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:44,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595418315] [2023-05-04 06:30:44,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595418315] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:44,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740065265] [2023-05-04 06:30:44,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:30:44,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:44,453 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) [2023-05-04 06:30:44,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 06:30:44,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-04 06:30:44,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:30:44,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-04 06:30:44,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 82 proven. 9 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-05-04 06:30:45,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-05-04 06:30:45,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740065265] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:45,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:45,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 34 [2023-05-04 06:30:45,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378565671] [2023-05-04 06:30:45,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:45,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-04 06:30:45,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:45,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-04 06:30:45,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=987, Unknown=0, NotChecked=0, Total=1122 [2023-05-04 06:30:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:45,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:45,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 11.882352941176471) internal successors, (404), 34 states have internal predecessors, (404), 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) [2023-05-04 06:30:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:45,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:46,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:46,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:46,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 06:30:47,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:47,083 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:47,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash -568766569, now seen corresponding path program 4 times [2023-05-04 06:30:47,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:47,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123047171] [2023-05-04 06:30:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 41 proven. 319 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-05-04 06:30:47,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:47,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123047171] [2023-05-04 06:30:47,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123047171] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:47,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556211420] [2023-05-04 06:30:47,759 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:30:47,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:47,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:47,760 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) [2023-05-04 06:30:47,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 06:30:47,938 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:30:47,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:30:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-04 06:30:47,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 348 proven. 46 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-05-04 06:30:48,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 309 proven. 85 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-05-04 06:30:49,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556211420] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:49,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:49,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 46 [2023-05-04 06:30:49,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385587257] [2023-05-04 06:30:49,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:49,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-05-04 06:30:49,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-05-04 06:30:49,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1812, Unknown=0, NotChecked=0, Total=2070 [2023-05-04 06:30:49,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:49,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:49,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 10.58695652173913) internal successors, (487), 46 states have internal predecessors, (487), 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) [2023-05-04 06:30:49,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:49,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:50,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:50,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:30:50,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 06:30:50,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:50,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:50,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:50,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1476338860, now seen corresponding path program 5 times [2023-05-04 06:30:50,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:50,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974987333] [2023-05-04 06:30:50,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:50,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 88 proven. 370 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2023-05-04 06:30:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974987333] [2023-05-04 06:30:51,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974987333] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743641326] [2023-05-04 06:30:51,265 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:30:51,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:51,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:51,269 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) [2023-05-04 06:30:51,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 06:30:51,935 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-05-04 06:30:51,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:30:51,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-04 06:30:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:52,175 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 209 proven. 1 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2023-05-04 06:30:52,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 200 proven. 14 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2023-05-04 06:30:52,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743641326] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:52,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:52,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 4, 7] total 25 [2023-05-04 06:30:52,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685832680] [2023-05-04 06:30:52,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:52,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-05-04 06:30:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:52,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-05-04 06:30:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=513, Unknown=0, NotChecked=0, Total=600 [2023-05-04 06:30:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:52,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:52,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 20.28) internal successors, (507), 25 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 06:30:52,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:52,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:52,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:30:52,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:53,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:30:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:30:53,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-04 06:30:53,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:53,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:53,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:53,482 INFO L85 PathProgramCache]: Analyzing trace with hash 588948442, now seen corresponding path program 6 times [2023-05-04 06:30:53,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:53,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498058091] [2023-05-04 06:30:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:53,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:30:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 66 proven. 114 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-05-04 06:30:54,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:30:54,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498058091] [2023-05-04 06:30:54,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498058091] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:30:54,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216560668] [2023-05-04 06:30:54,163 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:30:54,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:54,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:30:54,165 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) [2023-05-04 06:30:54,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 06:30:54,593 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-04 06:30:54,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:30:54,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 06:30:54,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:30:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 71 proven. 111 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-04 06:30:55,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:30:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 89 proven. 93 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-04 06:30:57,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216560668] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:30:57,129 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:30:57,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 23] total 64 [2023-05-04 06:30:57,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819281325] [2023-05-04 06:30:57,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:30:57,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-04 06:30:57,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:30:57,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-04 06:30:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=3241, Unknown=0, NotChecked=0, Total=4032 [2023-05-04 06:30:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:57,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:30:57,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 9.65625) internal successors, (618), 64 states have internal predecessors, (618), 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) [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:30:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:30:58,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:30:58,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 06:30:58,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:30:58,339 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:30:58,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:30:58,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2104988198, now seen corresponding path program 7 times [2023-05-04 06:30:58,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:30:58,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078184391] [2023-05-04 06:30:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:30:58,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:30:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 62 proven. 203 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 06:31:01,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:01,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078184391] [2023-05-04 06:31:01,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078184391] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:01,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823454639] [2023-05-04 06:31:01,434 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-04 06:31:01,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:01,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:01,436 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) [2023-05-04 06:31:01,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 06:31:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:01,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-04 06:31:01,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:03,588 INFO L356 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2023-05-04 06:31:03,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2023-05-04 06:31:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 51 proven. 203 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-05-04 06:31:03,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:03,920 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 06:31:03,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 15 [2023-05-04 06:31:05,975 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 57 proven. 208 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 06:31:05,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823454639] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:31:05,976 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:31:05,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 32] total 93 [2023-05-04 06:31:05,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435567332] [2023-05-04 06:31:05,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:31:05,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-05-04 06:31:05,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:31:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-05-04 06:31:05,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1535, Invalid=7021, Unknown=0, NotChecked=0, Total=8556 [2023-05-04 06:31:05,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:05,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:31:05,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 7.161290322580645) internal successors, (666), 93 states have internal predecessors, (666), 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) [2023-05-04 06:31:05,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:05,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:09,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-04 06:31:09,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 06:31:09,273 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,SelfDestructingSolverStorable9 [2023-05-04 06:31:09,273 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:31:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:31:09,273 INFO L85 PathProgramCache]: Analyzing trace with hash -484387439, now seen corresponding path program 8 times [2023-05-04 06:31:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:31:09,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137584273] [2023-05-04 06:31:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:31:09,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:31:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 43 proven. 246 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 06:31:13,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:13,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137584273] [2023-05-04 06:31:13,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137584273] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:13,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456451179] [2023-05-04 06:31:13,991 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:31:13,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:13,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:13,993 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) [2023-05-04 06:31:13,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 06:31:14,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:31:14,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:31:14,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 59 conjunts are in the unsatisfiable core [2023-05-04 06:31:14,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:15,341 INFO L356 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2023-05-04 06:31:15,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2023-05-04 06:31:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 31 proven. 233 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-05-04 06:31:15,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:15,445 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 06:31:15,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 15 [2023-05-04 06:31:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-05-04 06:31:16,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456451179] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:31:16,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:31:16,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 21, 6] total 58 [2023-05-04 06:31:16,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841713450] [2023-05-04 06:31:16,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:31:16,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-04 06:31:16,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:31:16,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-04 06:31:16,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=3052, Unknown=0, NotChecked=0, Total=3306 [2023-05-04 06:31:16,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:16,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:31:16,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 7.879310344827586) internal successors, (457), 58 states have internal predecessors, (457), 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) [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:16,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:16,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:16,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:16,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:16,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-04 06:31:16,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:19,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-04 06:31:19,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:19,639 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:31:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:31:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1948480993, now seen corresponding path program 9 times [2023-05-04 06:31:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:31:19,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757760581] [2023-05-04 06:31:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:31:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:31:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 200 proven. 260 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-05-04 06:31:20,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:20,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757760581] [2023-05-04 06:31:20,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757760581] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:20,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260143735] [2023-05-04 06:31:20,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:31:20,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:20,593 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:31:20,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 06:31:21,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-04 06:31:21,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:31:21,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 845 conjuncts, 27 conjunts are in the unsatisfiable core [2023-05-04 06:31:21,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 306 proven. 154 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-05-04 06:31:22,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 160 proven. 300 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-05-04 06:31:23,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260143735] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:31:23,266 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:31:23,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 73 [2023-05-04 06:31:23,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527388588] [2023-05-04 06:31:23,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:31:23,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-04 06:31:23,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:31:23,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-04 06:31:23,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=815, Invalid=4441, Unknown=0, NotChecked=0, Total=5256 [2023-05-04 06:31:23,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:23,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:31:23,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.287671232876712) internal successors, (532), 73 states have internal predecessors, (532), 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) [2023-05-04 06:31:23,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:23,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:23,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:23,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:31:24,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 06:31:24,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-04 06:31:24,341 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:31:24,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:31:24,341 INFO L85 PathProgramCache]: Analyzing trace with hash -64254844, now seen corresponding path program 10 times [2023-05-04 06:31:24,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:31:24,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728164276] [2023-05-04 06:31:24,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:31:24,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:31:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 245 proven. 270 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-05-04 06:31:25,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:25,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728164276] [2023-05-04 06:31:25,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728164276] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:25,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396304938] [2023-05-04 06:31:25,374 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:31:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:25,380 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:31:25,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-04 06:31:25,541 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:31:25,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:31:25,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 06:31:25,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 311 proven. 204 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-05-04 06:31:26,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 200 proven. 315 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-05-04 06:31:27,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396304938] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:31:27,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:31:27,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2023-05-04 06:31:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517020049] [2023-05-04 06:31:27,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:31:27,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2023-05-04 06:31:27,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:31:27,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2023-05-04 06:31:27,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2023-05-04 06:31:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:27,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:31:27,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.012195121951219) internal successors, (575), 82 states have internal predecessors, (575), 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) [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:27,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:31:27,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:31:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:28,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-04 06:31:28,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-04 06:31:28,446 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:31:28,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:31:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash 590151295, now seen corresponding path program 11 times [2023-05-04 06:31:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:31:28,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499643553] [2023-05-04 06:31:28,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:31:28,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:31:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 170 proven. 82 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2023-05-04 06:31:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499643553] [2023-05-04 06:31:29,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499643553] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612979437] [2023-05-04 06:31:29,070 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:31:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:29,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:29,073 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:31:29,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-04 06:31:34,721 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-04 06:31:34,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:31:34,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-04 06:31:34,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 170 proven. 82 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2023-05-04 06:31:35,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 113 proven. 211 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2023-05-04 06:31:35,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612979437] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:31:35,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:31:35,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 17] total 21 [2023-05-04 06:31:35,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499858722] [2023-05-04 06:31:35,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:31:35,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-04 06:31:35,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:31:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-04 06:31:35,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=263, Unknown=0, NotChecked=0, Total=420 [2023-05-04 06:31:35,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:35,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:31:35,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 18.857142857142858) internal successors, (396), 21 states have internal predecessors, (396), 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) [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:31:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:35,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:31:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:31:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:31:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:31:36,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-04 06:31:36,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-04 06:31:36,255 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:31:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:31:36,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1392549401, now seen corresponding path program 12 times [2023-05-04 06:31:36,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:31:36,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43397214] [2023-05-04 06:31:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:31:36,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:31:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:31:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 244 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:31:52,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:31:52,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43397214] [2023-05-04 06:31:52,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43397214] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:31:52,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9049280] [2023-05-04 06:31:52,799 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-04 06:31:52,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:31:52,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:31:52,800 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:31:52,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-04 06:31:53,638 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-04 06:31:53,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:31:53,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-04 06:31:53,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:31:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:31:56,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-04 06:31:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:31:57,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:31:57,046 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-05-04 06:31:57,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2023-05-04 06:31:57,212 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:31:57,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 32 [2023-05-04 06:31:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 151 proven. 17 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2023-05-04 06:31:57,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:31:58,114 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_959 (Array Int Int)) (~q2~0.offset Int) (v_ArrVal_960 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_959))) (or (< 0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_960) c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_front~0 4)))) (not (<= (select (select .cse0 c_~q1~0.base) (+ (* c_~q1_front~0 4) c_~q1~0.offset)) (+ (select (select .cse0 c_~q2~0.base) (+ ~q2~0.offset (* c_~q2_back~0 4))) 1)))))) is different from false [2023-05-04 06:31:58,202 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:31:58,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 242 [2023-05-04 06:31:58,230 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:31:58,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 125 [2023-05-04 06:31:58,240 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2023-05-04 06:32:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 151 proven. 15 refuted. 0 times theorem prover too weak. 682 trivial. 2 not checked. [2023-05-04 06:32:02,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9049280] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:32:02,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:32:02,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 22, 22] total 133 [2023-05-04 06:32:02,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131462469] [2023-05-04 06:32:02,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:32:02,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2023-05-04 06:32:02,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:32:02,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2023-05-04 06:32:02,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=936, Invalid=16337, Unknown=23, NotChecked=260, Total=17556 [2023-05-04 06:32:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:02,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:32:02,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 4.894736842105263) internal successors, (651), 133 states have internal predecessors, (651), 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) [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:02,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:32:12,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-04 06:32:12,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-04 06:32:12,628 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:32:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:32:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash 703375713, now seen corresponding path program 1 times [2023-05-04 06:32:12,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:32:12,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067363642] [2023-05-04 06:32:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:32:12,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:32:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:32:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 176 proven. 742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:32:22,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:32:22,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067363642] [2023-05-04 06:32:22,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067363642] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:32:22,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489151201] [2023-05-04 06:32:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:32:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:32:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:32:22,230 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:32:22,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-04 06:32:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:32:22,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 156 conjunts are in the unsatisfiable core [2023-05-04 06:32:22,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:32:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:32:29,629 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-04 06:32:29,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 47 [2023-05-04 06:32:29,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2023-05-04 06:32:30,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-05-04 06:32:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 168 proven. 620 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-05-04 06:32:30,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:32:32,947 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:32:32,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 136 [2023-05-04 06:32:32,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2023-05-04 06:32:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 45 proven. 873 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:32:42,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489151201] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:32:42,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:32:42,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 72, 79] total 223 [2023-05-04 06:32:42,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074862750] [2023-05-04 06:32:42,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:32:42,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2023-05-04 06:32:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:32:42,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2023-05-04 06:32:42,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4818, Invalid=44672, Unknown=16, NotChecked=0, Total=49506 [2023-05-04 06:32:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:42,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:32:42,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.251121076233184) internal successors, (948), 223 states have internal predecessors, (948), 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) [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:32:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:32:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:32:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:32:58,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:32:58,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-04 06:32:58,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:32:58,429 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:32:58,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:32:58,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1840035402, now seen corresponding path program 2 times [2023-05-04 06:32:58,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:32:58,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355909596] [2023-05-04 06:32:58,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:32:58,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:32:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:33:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 146 proven. 907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:33:11,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:33:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355909596] [2023-05-04 06:33:11,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355909596] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:33:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903610768] [2023-05-04 06:33:11,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 06:33:11,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:33:11,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:33:11,149 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:33:11,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-04 06:33:11,508 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 06:33:11,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:33:11,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 180 conjunts are in the unsatisfiable core [2023-05-04 06:33:11,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:33:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:33:19,992 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-04 06:33:19,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 49 [2023-05-04 06:33:20,007 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 06:33:20,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 21 [2023-05-04 06:33:20,912 INFO L356 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2023-05-04 06:33:20,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 10 [2023-05-04 06:33:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 168 proven. 755 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-05-04 06:33:21,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:33:23,825 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 06:33:23,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 136 [2023-05-04 06:33:23,830 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2023-05-04 06:33:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 30 proven. 1023 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:33:34,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903610768] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:33:34,443 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:33:34,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 72, 83] total 235 [2023-05-04 06:33:34,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336364173] [2023-05-04 06:33:34,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:33:34,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2023-05-04 06:33:34,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:33:34,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2023-05-04 06:33:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5057, Invalid=49933, Unknown=0, NotChecked=0, Total=54990 [2023-05-04 06:33:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:33:34,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:33:34,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 4.251063829787234) internal successors, (999), 235 states have internal predecessors, (999), 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) [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:33:34,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:33:34,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:33:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:33:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:33:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:33:54,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:33:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:33:54,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-04 06:33:54,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-04 06:33:54,657 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:33:54,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:33:54,658 INFO L85 PathProgramCache]: Analyzing trace with hash -404298815, now seen corresponding path program 3 times [2023-05-04 06:33:54,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:33:54,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992915447] [2023-05-04 06:33:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:33:54,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:33:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:34:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 178 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:34:10,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:34:10,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992915447] [2023-05-04 06:34:10,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992915447] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:34:10,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99592737] [2023-05-04 06:34:10,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 06:34:10,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:34:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:34:10,513 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:34:10,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-04 06:34:16,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-04 06:34:16,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:34:16,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 36 conjunts are in the unsatisfiable core [2023-05-04 06:34:16,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:34:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 06:34:18,807 INFO L356 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-05-04 06:34:18,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 46 [2023-05-04 06:34:18,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-05-04 06:34:19,102 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 06:34:19,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-04 06:34:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 167 proven. 34 refuted. 0 times theorem prover too weak. 1001 trivial. 0 not checked. [2023-05-04 06:34:19,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:34:20,000 INFO L356 Elim1Store]: treesize reduction 4, result has 96.2 percent of original size [2023-05-04 06:34:20,000 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 136 [2023-05-04 06:34:20,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2023-05-04 06:34:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 167 proven. 34 refuted. 0 times theorem prover too weak. 1001 trivial. 0 not checked. [2023-05-04 06:34:22,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99592737] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:34:22,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:34:22,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 19, 19] total 124 [2023-05-04 06:34:22,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899152709] [2023-05-04 06:34:22,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:34:22,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2023-05-04 06:34:22,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:34:22,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2023-05-04 06:34:22,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=14436, Unknown=17, NotChecked=0, Total=15252 [2023-05-04 06:34:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:34:22,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:34:22,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 5.653225806451613) internal successors, (701), 124 states have internal predecessors, (701), 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) [2023-05-04 06:34:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:34:22,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:34:22,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:34:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:34:31,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:34:31,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-05-04 06:34:31,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-04 06:34:31,493 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:34:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:34:31,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1192832509, now seen corresponding path program 4 times [2023-05-04 06:34:31,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:34:31,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121560239] [2023-05-04 06:34:31,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:34:31,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:34:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:39:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 7 proven. 1008 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 06:39:32,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:39:32,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121560239] [2023-05-04 06:39:32,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121560239] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:39:32,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641367520] [2023-05-04 06:39:32,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 06:39:32,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:39:32,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:39:32,333 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:39:32,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-04 06:39:32,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 06:39:32,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:39:32,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 90 conjunts are in the unsatisfiable core [2023-05-04 06:39:32,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:39:38,020 INFO L356 Elim1Store]: treesize reduction 82, result has 24.8 percent of original size [2023-05-04 06:39:38,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 38 [2023-05-04 06:39:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 15 proven. 440 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2023-05-04 06:39:38,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:39:38,847 INFO L356 Elim1Store]: treesize reduction 4, result has 96.2 percent of original size [2023-05-04 06:39:38,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 114 [2023-05-04 06:39:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 10 proven. 445 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2023-05-04 06:39:43,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641367520] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:39:43,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:39:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 40, 41] total 161 [2023-05-04 06:39:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609362178] [2023-05-04 06:39:43,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:39:43,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2023-05-04 06:39:43,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:39:43,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2023-05-04 06:39:43,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2349, Invalid=23411, Unknown=0, NotChecked=0, Total=25760 [2023-05-04 06:39:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:39:43,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:39:43,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 5.0062111801242235) internal successors, (806), 161 states have internal predecessors, (806), 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) [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:39:43,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2023-05-04 06:39:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:39:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:39:43,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:40:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-04 06:40:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:40:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:40:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2023-05-04 06:40:03,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-04 06:40:03,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:40:03,239 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:40:03,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:40:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1241381364, now seen corresponding path program 5 times [2023-05-04 06:40:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:40:03,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489867082] [2023-05-04 06:40:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:40:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:40:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 06:40:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 39 proven. 37 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2023-05-04 06:40:03,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 06:40:03,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489867082] [2023-05-04 06:40:03,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489867082] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 06:40:03,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158513166] [2023-05-04 06:40:03,585 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 06:40:03,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:40:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 06:40:03,587 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 06:40:03,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-04 06:40:36,514 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2023-05-04 06:40:36,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 06:40:36,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 06:40:36,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 06:40:36,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9 [2023-05-04 06:40:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2023-05-04 06:40:36,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 06:40:36,905 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 06:40:36,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 17 [2023-05-04 06:40:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2023-05-04 06:40:37,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158513166] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 06:40:37,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 06:40:37,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 15 [2023-05-04 06:40:37,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956013809] [2023-05-04 06:40:37,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 06:40:37,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-04 06:40:37,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 06:40:37,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-04 06:40:37,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-05-04 06:40:37,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:37,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 06:40:37,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 24.533333333333335) internal successors, (368), 15 states have internal predecessors, (368), 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) [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:40:37,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-04 06:40:37,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:40:37,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:40:37,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2023-05-04 06:40:37,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 06:40:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-05-04 06:40:37,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 06:40:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-04 06:40:37,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-04 06:40:37,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-04 06:40:38,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 06:40:38,153 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 06:40:38,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 06:40:38,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1912355366, now seen corresponding path program 6 times [2023-05-04 06:40:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 06:40:38,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995894205] [2023-05-04 06:40:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 06:40:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 06:40:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-04 06:43:33,575 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 06:43:33,579 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 06:43:33,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-05-04 06:43:33,580 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 375 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-1 context. [2023-05-04 06:43:33,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 06:43:33,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 06:43:33,581 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 06:43:33,584 INFO L444 BasicCegarLoop]: Path program histogram: [12, 6, 1, 1, 1] [2023-05-04 06:43:33,587 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 06:43:33,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 06:43:33,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 06:43:33 BasicIcfg [2023-05-04 06:43:33,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 06:43:33,590 INFO L158 Benchmark]: Toolchain (without parser) took 778170.55ms. Allocated memory was 266.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 239.3MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-05-04 06:43:33,590 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 06:43:33,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.89ms. Allocated memory is still 266.3MB. Free memory was 238.8MB in the beginning and 232.1MB in the end (delta: 6.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-05-04 06:43:33,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.66ms. Allocated memory is still 266.3MB. Free memory was 232.1MB in the beginning and 230.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:43:33,591 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 266.3MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 06:43:33,591 INFO L158 Benchmark]: RCFGBuilder took 660.72ms. Allocated memory is still 266.3MB. Free memory was 227.9MB in the beginning and 193.3MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-05-04 06:43:33,591 INFO L158 Benchmark]: TraceAbstraction took 777162.66ms. Allocated memory was 266.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 192.3MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2023-05-04 06:43:33,592 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-05-04 06:43:33,594 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.89ms. Allocated memory is still 266.3MB. Free memory was 238.8MB in the beginning and 232.1MB in the end (delta: 6.7MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.66ms. Allocated memory is still 266.3MB. Free memory was 232.1MB in the beginning and 230.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 266.3MB. Free memory was 230.0MB in the beginning and 227.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 660.72ms. Allocated memory is still 266.3MB. Free memory was 227.9MB in the beginning and 193.3MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 777162.66ms. Allocated memory was 266.3MB in the beginning and 4.8GB in the end (delta: 4.6GB). Free memory was 192.3MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16040, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 4423, dependent conditional: 4402, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11814, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 197, dependent conditional: 176, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11814, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 197, dependent conditional: 176, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 1958, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 782, dependent unconditional: 1423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 782, dependent unconditional: 1423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1992, independent: 1905, independent conditional: 8, independent unconditional: 1897, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1992, independent: 1894, independent conditional: 0, independent unconditional: 1894, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 98, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 372, independent: 67, independent conditional: 17, independent unconditional: 50, dependent: 305, dependent conditional: 198, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13822, independent: 9712, independent conditional: 42, independent unconditional: 9670, dependent: 2118, dependent conditional: 716, dependent unconditional: 1402, unknown: 1992, unknown conditional: 74, unknown unconditional: 1918] , Statistics on independence cache: Total cache size (in pairs): 1992, Positive cache size: 1905, Positive conditional cache size: 8, Positive unconditional cache size: 1897, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1176, Maximal queried relation: 18, Independence queries for same thread: 4226 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 403, Number of trivial persistent sets: 234, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2435, independent: 2414, independent conditional: 0, independent unconditional: 2414, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16040, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 4423, dependent conditional: 4402, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11814, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 197, dependent conditional: 176, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11814, independent: 11617, independent conditional: 9203, independent unconditional: 2414, dependent: 197, dependent conditional: 176, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 1958, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 782, dependent unconditional: 1423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13822, independent: 11617, independent conditional: 50, independent unconditional: 11567, dependent: 2205, dependent conditional: 782, dependent unconditional: 1423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1992, independent: 1905, independent conditional: 8, independent unconditional: 1897, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1992, independent: 1894, independent conditional: 0, independent unconditional: 1894, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 98, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, independent: 11, independent conditional: 8, independent unconditional: 3, dependent: 87, dependent conditional: 66, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 372, independent: 67, independent conditional: 17, independent unconditional: 50, dependent: 305, dependent conditional: 198, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13822, independent: 9712, independent conditional: 42, independent unconditional: 9670, dependent: 2118, dependent conditional: 716, dependent unconditional: 1402, unknown: 1992, unknown conditional: 74, unknown unconditional: 1918] , Statistics on independence cache: Total cache size (in pairs): 1992, Positive cache size: 1905, Positive conditional cache size: 8, Positive unconditional cache size: 1897, Negative cache size: 87, Negative conditional cache size: 66, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1176, Maximal queried relation: 18, Independence queries for same thread: 4226 - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 375 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-1 context. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 375 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-1 context. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 375 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-1 context. - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 375 with TraceHistMax 13,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 224 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 777.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 89.0s, 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: 948, 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: 0.7s SsaConstructionTime, 50.9s SatisfiabilityAnalysisTime, 455.5s InterpolantComputationTime, 12058 NumberOfCodeBlocks, 11775 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 17685 ConstructedInterpolants, 164 QuantifiedInterpolants, 227482 SizeOfPredicates, 405 NumberOfNonLiveVariables, 13489 ConjunctsInSsa, 801 ConjunctsInUnsatCore, 54 InterpolantComputations, 3 PerfectInterpolantSequences, 26078/39532 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown