/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.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 06:17:51,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:17:51,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:17:51,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:17:51,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:17:51,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:17:51,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:17:51,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:17:51,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:17:51,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:17:51,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:17:51,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:17:51,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:17:51,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:17:51,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:17:51,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:17:51,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:17:51,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:17:51,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:17:51,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:17:51,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:17:51,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:17:51,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:17:51,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:17:51,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:17:51,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:17:51,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:17:51,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:17:51,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:17:51,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:17:51,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:17:51,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:17:51,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:17:51,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:17:51,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:17:51,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:17:51,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:17:51,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:17:51,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:17:51,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:17:51,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:17:51,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 06:17:51,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:17:51,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:17:51,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 06:17:51,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 06:17:51,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:17:51,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 06:17:51,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:17:51,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:17:51,683 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 06:17:51,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:17:51,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:17:51,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:17:51,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:17:51,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:17:51,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 06:17:51,687 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 06:17:51,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2022-11-16 06:17:51,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:17:51,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:17:51,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:17:51,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:17:51,943 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:17:51,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2022-11-16 06:17:51,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f8346b/97db6650c10d405b9a5fd17b8d62f06d/FLAGbdf780e0c [2022-11-16 06:17:52,376 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:17:52,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2022-11-16 06:17:52,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f8346b/97db6650c10d405b9a5fd17b8d62f06d/FLAGbdf780e0c [2022-11-16 06:17:52,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f8346b/97db6650c10d405b9a5fd17b8d62f06d [2022-11-16 06:17:52,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:17:52,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 06:17:52,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:17:52,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:17:52,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:17:52,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d81edc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52, skipping insertion in model container [2022-11-16 06:17:52,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:17:52,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:17:52,646 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-16 06:17:52,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:17:52,668 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:17:52,701 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-11-16 06:17:52,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:17:52,716 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:17:52,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52 WrapperNode [2022-11-16 06:17:52,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:17:52,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:17:52,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:17:52,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:17:52,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,775 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 307 [2022-11-16 06:17:52,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:17:52,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:17:52,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:17:52,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:17:52,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:17:52,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:17:52,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:17:52,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:17:52,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (1/1) ... [2022-11-16 06:17:52,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 06:17:52,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:17:52,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 06:17:52,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 06:17:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 06:17:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:17:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:17:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:17:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 06:17:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 06:17:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 06:17:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 06:17:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 06:17:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 06:17:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 06:17:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:17:52,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:17:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:17:52,887 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 06:17:52,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:17:52,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:17:53,339 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:17:53,483 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:17:53,484 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-16 06:17:53,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:17:53 BoogieIcfgContainer [2022-11-16 06:17:53,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:17:53,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 06:17:53,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 06:17:53,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 06:17:53,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:17:52" (1/3) ... [2022-11-16 06:17:53,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3453204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:17:53, skipping insertion in model container [2022-11-16 06:17:53,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:17:52" (2/3) ... [2022-11-16 06:17:53,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3453204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:17:53, skipping insertion in model container [2022-11-16 06:17:53,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:17:53" (3/3) ... [2022-11-16 06:17:53,493 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2022-11-16 06:17:53,499 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 06:17:53,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 06:17:53,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 06:17:53,505 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 06:17:53,573 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-16 06:17:53,608 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:17:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 06:17:53,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:17:53,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 06:17:53,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 06:17:53,635 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 06:17:53,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2022-11-16 06:17:53,647 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;@1b77fe06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 06:17:53,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 06:17:53,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -655574084, now seen corresponding path program 1 times [2022-11-16 06:17:53,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:53,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37477889] [2022-11-16 06:17:53,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:17:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:54,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37477889] [2022-11-16 06:17:54,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37477889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:54,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:54,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 06:17:54,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103595890] [2022-11-16 06:17:54,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:54,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 06:17:54,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:54,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 06:17:54,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 06:17:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:54,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:54,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 06:17:54,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 48103817, now seen corresponding path program 1 times [2022-11-16 06:17:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:54,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755475975] [2022-11-16 06:17:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:17:54,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:54,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755475975] [2022-11-16 06:17:54,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755475975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:54,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:54,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 06:17:54,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678971172] [2022-11-16 06:17:54,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:54,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 06:17:54,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 06:17:54,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 06:17:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:54,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 5 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:54,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:54,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 06:17:54,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:54,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:54,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1516773452, now seen corresponding path program 1 times [2022-11-16 06:17:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:54,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859721365] [2022-11-16 06:17:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:54,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:17:55,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:55,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859721365] [2022-11-16 06:17:55,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859721365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:55,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:55,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 06:17:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120780031] [2022-11-16 06:17:55,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:55,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 06:17:55,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:55,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 06:17:55,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 06:17:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:55,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:55,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 06:17:55,130 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1112035524, now seen corresponding path program 1 times [2022-11-16 06:17:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:55,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985342176] [2022-11-16 06:17:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:17:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:55,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985342176] [2022-11-16 06:17:55,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985342176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:55,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:55,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 06:17:55,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084281935] [2022-11-16 06:17:55,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:55,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 06:17:55,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:55,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 06:17:55,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 06:17:55,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:55,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:55,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 06:17:55,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:55,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:55,353 INFO L85 PathProgramCache]: Analyzing trace with hash 33097009, now seen corresponding path program 1 times [2022-11-16 06:17:55,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:55,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143214214] [2022-11-16 06:17:55,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:55,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:17:55,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:55,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143214214] [2022-11-16 06:17:55,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143214214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:55,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:55,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 06:17:55,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604134818] [2022-11-16 06:17:55,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:55,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 06:17:55,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:55,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 06:17:55,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 06:17:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:55,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 06:17:55,695 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:55,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1252621533, now seen corresponding path program 1 times [2022-11-16 06:17:55,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:55,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203525022] [2022-11-16 06:17:55,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:55,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:17:55,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:55,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203525022] [2022-11-16 06:17:55,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203525022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:55,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:55,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 06:17:55,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879423162] [2022-11-16 06:17:55,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:55,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 06:17:55,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:55,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 06:17:55,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 06:17:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:55,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:55,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:17:56,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 06:17:56,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:56,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:56,541 INFO L85 PathProgramCache]: Analyzing trace with hash -670288535, now seen corresponding path program 1 times [2022-11-16 06:17:56,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:56,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136366305] [2022-11-16 06:17:56,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:56,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:17:57,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:57,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136366305] [2022-11-16 06:17:57,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136366305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:57,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:57,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 06:17:57,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962416897] [2022-11-16 06:17:57,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:57,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 06:17:57,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 06:17:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 06:17:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:57,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.22222222222222) internal successors, (182), 9 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-16 06:17:57,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:17:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:17:58,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 06:17:58,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:17:58,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:17:58,268 INFO L85 PathProgramCache]: Analyzing trace with hash -683308753, now seen corresponding path program 1 times [2022-11-16 06:17:58,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:17:58,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024515415] [2022-11-16 06:17:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:17:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:17:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:17:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:17:58,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:17:58,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024515415] [2022-11-16 06:17:58,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024515415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:17:58,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:17:58,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 06:17:58,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481890734] [2022-11-16 06:17:58,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:17:58,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 06:17:58,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:17:58,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 06:17:58,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-16 06:17:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:58,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:17:58,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.22222222222222) internal successors, (182), 9 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:17:58,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:17:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:00,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 06:18:00,763 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:18:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:18:00,763 INFO L85 PathProgramCache]: Analyzing trace with hash -403059025, now seen corresponding path program 2 times [2022-11-16 06:18:00,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:18:00,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471164355] [2022-11-16 06:18:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:18:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:18:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:18:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:18:01,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:18:01,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471164355] [2022-11-16 06:18:01,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471164355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:18:01,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:18:01,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 06:18:01,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871319085] [2022-11-16 06:18:01,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:18:01,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 06:18:01,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:18:01,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 06:18:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-16 06:18:01,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:01,202 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:18:01,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.22222222222222) internal successors, (182), 9 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:01,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:18:02,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 06:18:02,975 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:18:02,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:18:02,975 INFO L85 PathProgramCache]: Analyzing trace with hash -266586246, now seen corresponding path program 1 times [2022-11-16 06:18:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:18:02,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007603401] [2022-11-16 06:18:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:18:02,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:18:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:18:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:18:03,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:18:03,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007603401] [2022-11-16 06:18:03,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007603401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:18:03,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:18:03,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 06:18:03,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602913606] [2022-11-16 06:18:03,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:18:03,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 06:18:03,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:18:03,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 06:18:03,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-16 06:18:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:03,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:18:03,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.545454545454547) internal successors, (193), 11 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:18:03,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:18:03,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:05,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:18:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:18:05,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 06:18:05,135 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:18:05,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:18:05,135 INFO L85 PathProgramCache]: Analyzing trace with hash 385269418, now seen corresponding path program 1 times [2022-11-16 06:18:05,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:18:05,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843670226] [2022-11-16 06:18:05,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:18:05,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:18:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:18:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:18:05,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:18:05,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843670226] [2022-11-16 06:18:05,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843670226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 06:18:05,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 06:18:05,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 06:18:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50799435] [2022-11-16 06:18:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 06:18:05,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 06:18:05,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 06:18:05,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 06:18:05,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 06:18:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:05,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 06:18:05,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 06:18:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:05,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:18:05,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 06:18:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 06:18:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 06:18:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 06:18:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 06:18:07,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 06:18:07,473 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 06:18:07,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:18:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash -167916213, now seen corresponding path program 1 times [2022-11-16 06:18:07,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 06:18:07,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135874196] [2022-11-16 06:18:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:18:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:18:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:18:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:18:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 06:18:10,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135874196] [2022-11-16 06:18:10,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135874196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 06:18:10,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047992670] [2022-11-16 06:18:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 06:18:10,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 06:18:10,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 06:18:10,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 06:18:10,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 06:18:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:18:10,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-16 06:18:10,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 06:18:12,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-16 06:18:13,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:18:13,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:18:14,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:18:14,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 06:18:14,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 06:18:14,733 INFO L321 Elim1Store]: treesize reduction 18, result has 55.0 percent of original size [2022-11-16 06:18:14,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 32 [2022-11-16 06:18:14,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:18:14,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 06:18:19,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:19,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 105 [2022-11-16 06:18:20,120 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:20,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57836 treesize of output 55888 [2022-11-16 06:18:20,397 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:20,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55788 treesize of output 43588 [2022-11-16 06:18:20,625 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:20,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43500 treesize of output 37444 [2022-11-16 06:18:20,855 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:20,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37356 treesize of output 35908 [2022-11-16 06:18:21,125 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 06:18:21,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35820 treesize of output 32836 Received shutdown request... [2022-11-16 06:31:49,136 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-11-16 06:31:49,138 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 06:31:49,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 06:31:49,160 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 06:31:49,160 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 06:31:49,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 06:31:49,339 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,SelfDestructingSolverStorable11 [2022-11-16 06:31:49,340 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 197 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-11-16 06:31:49,344 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 06:31:49,345 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2022-11-16 06:31:49,346 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 06:31:49,346 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 06:31:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:31:49 BasicIcfg [2022-11-16 06:31:49,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 06:31:49,348 INFO L158 Benchmark]: Toolchain (without parser) took 836946.25ms. Allocated memory was 190.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 134.2MB in the beginning and 1.1GB in the end (delta: -949.2MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-11-16 06:31:49,348 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory was 151.3MB in the beginning and 151.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 06:31:49,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.39ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 133.9MB in the beginning and 202.9MB in the end (delta: -69.0MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2022-11-16 06:31:49,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.93ms. Allocated memory is still 229.6MB. Free memory was 202.9MB in the beginning and 200.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-16 06:31:49,348 INFO L158 Benchmark]: Boogie Preprocessor took 43.13ms. Allocated memory is still 229.6MB. Free memory was 200.3MB in the beginning and 198.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 06:31:49,349 INFO L158 Benchmark]: RCFGBuilder took 666.42ms. Allocated memory is still 229.6MB. Free memory was 197.7MB in the beginning and 152.1MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-11-16 06:31:49,349 INFO L158 Benchmark]: TraceAbstraction took 835859.32ms. Allocated memory was 229.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 151.0MB in the beginning and 1.1GB in the end (delta: -932.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-11-16 06:31:49,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 190.8MB. Free memory was 151.3MB in the beginning and 151.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 312.39ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 133.9MB in the beginning and 202.9MB in the end (delta: -69.0MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.93ms. Allocated memory is still 229.6MB. Free memory was 202.9MB in the beginning and 200.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.13ms. Allocated memory is still 229.6MB. Free memory was 200.3MB in the beginning and 198.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 666.42ms. Allocated memory is still 229.6MB. Free memory was 197.7MB in the beginning and 152.1MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. * TraceAbstraction took 835859.32ms. Allocated memory was 229.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 151.0MB in the beginning and 1.1GB in the end (delta: -932.4MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1174344, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 156439, dependent conditional: 156387, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1024086, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 6181, dependent conditional: 6129, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1024086, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 6181, dependent conditional: 6129, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 41009, dependent unconditional: 12221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 10172, dependent unconditional: 43058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 10172, dependent unconditional: 43058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3368, independent: 3198, independent conditional: 41, independent unconditional: 3157, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3368, independent: 3152, independent conditional: 0, independent unconditional: 3152, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 216, independent: 46, independent conditional: 41, independent unconditional: 5, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, independent: 46, independent conditional: 41, independent unconditional: 5, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 640, independent: 162, independent conditional: 118, independent unconditional: 44, dependent: 478, dependent conditional: 324, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1071135, independent: 1014707, independent conditional: 5999, independent unconditional: 1008708, dependent: 53060, dependent conditional: 10054, dependent unconditional: 43006, unknown: 3368, unknown conditional: 159, unknown unconditional: 3209] , Statistics on independence cache: Total cache size (in pairs): 3368, Positive cache size: 3198, Positive conditional cache size: 41, Positive unconditional cache size: 3157, Negative cache size: 170, Negative conditional cache size: 118, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30837, Maximal queried relation: 10, Independence queries for same thread: 150258 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 8123, Number of trivial persistent sets: 7466, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3662, independent: 3610, independent conditional: 0, independent unconditional: 3610, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1174344, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 156439, dependent conditional: 156387, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1024086, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 6181, dependent conditional: 6129, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1024086, independent: 1017905, independent conditional: 1014295, independent unconditional: 3610, dependent: 6181, dependent conditional: 6129, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 41009, dependent unconditional: 12221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 10172, dependent unconditional: 43058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1071135, independent: 1017905, independent conditional: 6040, independent unconditional: 1011865, dependent: 53230, dependent conditional: 10172, dependent unconditional: 43058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3368, independent: 3198, independent conditional: 41, independent unconditional: 3157, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3368, independent: 3152, independent conditional: 0, independent unconditional: 3152, dependent: 216, dependent conditional: 0, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 216, independent: 46, independent conditional: 41, independent unconditional: 5, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 216, independent: 46, independent conditional: 41, independent unconditional: 5, dependent: 170, dependent conditional: 118, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 640, independent: 162, independent conditional: 118, independent unconditional: 44, dependent: 478, dependent conditional: 324, dependent unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1071135, independent: 1014707, independent conditional: 5999, independent unconditional: 1008708, dependent: 53060, dependent conditional: 10054, dependent unconditional: 43006, unknown: 3368, unknown conditional: 159, unknown unconditional: 3209] , Statistics on independence cache: Total cache size (in pairs): 3368, Positive cache size: 3198, Positive conditional cache size: 41, Positive unconditional cache size: 3157, Negative cache size: 170, Negative conditional cache size: 118, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30837, Maximal queried relation: 10, Independence queries for same thread: 150258 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 197 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 248 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 835.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 9.3s, 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: 92, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1966 NumberOfCodeBlocks, 1966 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1955 ConstructedInterpolants, 0 QuantifiedInterpolants, 12563 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 25/25 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