/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-13 17:25:34,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:25:34,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:25:34,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:25:34,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:25:34,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:25:34,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:25:34,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:25:34,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:25:34,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:25:34,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:25:34,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:25:34,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:25:34,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:25:34,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:25:34,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:25:34,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:25:34,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:25:34,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:25:34,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:25:34,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:25:34,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:25:34,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:25:34,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:25:34,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-13 17:25:34,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:25:34,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:25:34,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:25:34,685 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-11-13 17:25:34,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:25:34,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:25:34,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:25:34,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:25:34,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:25:34,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:25:34,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:25:34,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:25:34,717 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:25:34,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:25:34,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:25:34,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:25:34,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:25:34,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:25:34,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:25:34,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-13 17:25:34,720 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-13 17:25:34,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-13 17:25:34,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:25:34,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:25:34,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:25:34,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:25:34,967 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:25:34,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-6.i [2021-11-13 17:25:35,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80105a29f/51fa045846a94845b790c2a581bc803d/FLAG425310f02 [2021-11-13 17:25:35,423 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:25:35,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i [2021-11-13 17:25:35,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80105a29f/51fa045846a94845b790c2a581bc803d/FLAG425310f02 [2021-11-13 17:25:35,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80105a29f/51fa045846a94845b790c2a581bc803d [2021-11-13 17:25:35,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:25:35,444 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-13 17:25:35,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:25:35,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:25:35,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:25:35,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f73f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35, skipping insertion in model container [2021-11-13 17:25:35,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:25:35,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:25:35,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30811,30824] [2021-11-13 17:25:35,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:25:35,748 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:25:35,806 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-6.i[30811,30824] [2021-11-13 17:25:35,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:25:35,840 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:25:35,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35 WrapperNode [2021-11-13 17:25:35,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:25:35,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:25:35,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:25:35,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:25:35,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:25:35,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:25:35,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:25:35,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:25:35,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:25:35,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:25:35,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:25:35,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:25:35,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (1/1) ... [2021-11-13 17:25:35,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:25:35,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:36,167 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) [2021-11-13 17:25:36,172 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 [2021-11-13 17:25:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 17:25:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 17:25:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 17:25:36,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 17:25:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 17:25:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:25:36,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:25:36,202 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:25:36,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:25:36,432 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 17:25:36,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:25:36 BoogieIcfgContainer [2021-11-13 17:25:36,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:25:36,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:25:36,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:25:36,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:25:36,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:25:35" (1/3) ... [2021-11-13 17:25:36,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fc0665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:25:36, skipping insertion in model container [2021-11-13 17:25:36,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:25:35" (2/3) ... [2021-11-13 17:25:36,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fc0665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:25:36, skipping insertion in model container [2021-11-13 17:25:36,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:25:36" (3/3) ... [2021-11-13 17:25:36,441 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_unsafe-6.i [2021-11-13 17:25:36,460 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:25:36,460 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:25:36,460 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:25:36,460 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:25:36,487 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,488 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,489 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,490 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,491 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,492 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,493 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,495 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,497 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,497 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,497 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,498 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,500 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,501 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,501 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:25:36,501 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-13 17:25:36,531 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-13 17:25:36,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:36,532 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) [2021-11-13 17:25:36,539 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 [2021-11-13 17:25:36,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-13 17:25:36,568 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:25:36,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 17:25:36,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1927097680, now seen corresponding path program 1 times [2021-11-13 17:25:36,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:36,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261162868] [2021-11-13 17:25:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:36,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:36,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:36,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261162868] [2021-11-13 17:25:36,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261162868] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:25:36,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:25:36,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:25:36,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480697949] [2021-11-13 17:25:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:25:36,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:25:36,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:25:36,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:25:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:25:36,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:36,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:25:36,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-11-13 17:25:36,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:36,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:36,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:25:36,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:36,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:36,987 INFO L85 PathProgramCache]: Analyzing trace with hash 560415153, now seen corresponding path program 1 times [2021-11-13 17:25:36,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:36,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740054602] [2021-11-13 17:25:36,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:36,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:37,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:37,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740054602] [2021-11-13 17:25:37,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740054602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:25:37,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:25:37,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:25:37,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640646978] [2021-11-13 17:25:37,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:25:37,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:25:37,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:25:37,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:25:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:25:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,086 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:25:37,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-13 17:25:37,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:37,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:25:37,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash -951035470, now seen corresponding path program 1 times [2021-11-13 17:25:37,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:37,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951605927] [2021-11-13 17:25:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:37,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:37,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:37,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951605927] [2021-11-13 17:25:37,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951605927] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:25:37,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815278587] [2021-11-13 17:25:37,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:37,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:37,185 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) [2021-11-13 17:25:37,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:25:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:37,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:25:37,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:25:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:37,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:25:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:37,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815278587] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:25:37,527 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:25:37,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-13 17:25:37,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116052171] [2021-11-13 17:25:37,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:25:37,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 17:25:37,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:25:37,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 17:25:37,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:25:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,529 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:25:37,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2021-11-13 17:25:37,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:37,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:25:37,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:25:37,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-13 17:25:37,836 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:37,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:37,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1666707666, now seen corresponding path program 2 times [2021-11-13 17:25:37,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:37,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183436336] [2021-11-13 17:25:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:37,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:37,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:37,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183436336] [2021-11-13 17:25:37,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183436336] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:25:37,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475361389] [2021-11-13 17:25:37,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 17:25:37,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:37,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:37,959 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:25:37,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 17:25:38,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 17:25:38,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:25:38,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:25:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:25:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:38,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:25:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:38,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475361389] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:25:38,416 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:25:38,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-13 17:25:38,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107894582] [2021-11-13 17:25:38,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:25:38,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 17:25:38,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:25:38,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 17:25:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-11-13 17:25:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:38,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:25:38,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 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) [2021-11-13 17:25:38,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:38,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:38,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:25:38,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:38,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:25:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 17:25:38,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:25:38,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:38,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:38,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1283180782, now seen corresponding path program 3 times [2021-11-13 17:25:38,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:38,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084815976] [2021-11-13 17:25:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:38,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:39,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:39,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084815976] [2021-11-13 17:25:39,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084815976] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:25:39,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715070456] [2021-11-13 17:25:39,038 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 17:25:39,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:39,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:39,039 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:25:39,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 17:25:39,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-13 17:25:39,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:25:39,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 17:25:39,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:25:39,324 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:39,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:25:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:39,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715070456] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:25:39,658 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:25:39,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 31 [2021-11-13 17:25:39,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908479251] [2021-11-13 17:25:39,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:25:39,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-13 17:25:39,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:25:39,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-13 17:25:39,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-11-13 17:25:39,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:39,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:25:39,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 4.935483870967742) internal successors, (153), 31 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:25:39,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:25:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 17:25:39,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:25:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:25:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:25:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-13 17:25:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-13 17:25:40,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:25:40,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:40,295 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-13 17:25:40,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:25:40,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2049692625, now seen corresponding path program 4 times [2021-11-13 17:25:40,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:25:40,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498943000] [2021-11-13 17:25:40,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:25:40,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:25:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:25:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:41,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:25:41,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498943000] [2021-11-13 17:25:41,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498943000] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:25:41,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488141493] [2021-11-13 17:25:41,859 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 17:25:41,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:25:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-13 17:25:41,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:25:41,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 17:25:41,945 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 17:25:41,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 17:25:41,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 17:25:41,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:25:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 486 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:25:45,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 17:35:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 649 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:35:04,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488141493] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 17:35:04,153 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 17:35:04,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 139 [2021-11-13 17:35:04,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055153141] [2021-11-13 17:35:04,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 17:35:04,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-11-13 17:35:04,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:35:04,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-11-13 17:35:04,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=17827, Unknown=134, NotChecked=0, Total=19182 [2021-11-13 17:35:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:35:04,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-13 17:35:04,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 3.050359712230216) internal successors, (424), 139 states have internal predecessors, (424), 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) [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-11-13 17:35:04,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:35:10,920 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~next~0 1)) (.cse3 (+ c_~cur~0 4 (* 2 c_~next~0))) (.cse2 (* c_~j~0 (- 1))) (.cse0 (* c_~i~0 (- 1))) (.cse7 (+ c_~next~0 c_~cur~0 2)) (.cse6 (+ c_~next~0 c_~cur~0))) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~prev~0_24 c_~next~0) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (<= (div (+ .cse0 c_~cur~0 (- 3)) (- 2)) .cse1) (<= 1 c_~cur~0) (<= (div (+ .cse2 c_~cur~0 (- 3)) (- 2)) .cse1) (= c_~prev~0 1) (<= (div (+ .cse2 (- 9) c_~next~0 c_~cur~0) (- 2)) .cse3) (<= (div (+ (- 9) .cse0 c_~next~0 c_~cur~0) (- 2)) .cse3) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse4 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse4 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse4 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51)))))) (= c_~j~0 1) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 c_~cur~0 1)) (<= 2 aux_mod_v_~cur~0_22_51) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~prev~0_24 c_~next~0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((v_~cur~0_22 Int)) (or (< v_~cur~0_22 c_~next~0) (and (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((aux_div_v_~next~0_20_56 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~cur~0 (* 2 aux_div_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse5 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (< aux_div_v_~cur~0_22_51 (+ .cse5 c_~next~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse5 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (= c_~i~0 1) (< c_~i~0 .cse6) (<= (div (+ .cse2 c_~next~0 (- 5)) (- 2)) .cse7) (forall ((v_~prev~0_24 Int)) (or (< v_~prev~0_24 c_~cur~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ c_~next~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< aux_mod_v_~next~0_20_56 0)))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< (+ aux_mod_v_~next~0_20_56 9 c_~i~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))) (< aux_mod_v_~next~0_20_56 0) (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ 22 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))))) (forall ((v_~cur~0_26 Int)) (or (< v_~cur~0_26 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse8 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse8 c_~cur~0 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse8 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse9 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse9 c_~cur~0 1)) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse9 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0))))))) (<= (div (+ .cse0 c_~next~0 (- 5)) (- 2)) .cse7) (forall ((v_~cur~0_28 Int) (aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse10 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< v_~cur~0_28 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse10 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (< aux_div_v_~cur~0_22_51 (+ .cse10 c_~next~0 v_~cur~0_28 1)) (< v_~cur~0_26 (+ c_~next~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_28 v_~cur~0_26))))) (< c_~j~0 .cse6) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse11 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< v_~prev~0_24 (+ c_~next~0 v_~cur~0_26)) (<= 2 aux_mod_v_~cur~0_22_51) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse11 c_~next~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51))) (< v_~cur~0_26 (+ c_~next~0 c_~cur~0)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< aux_div_v_~cur~0_22_51 (+ .cse11 c_~next~0 1)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0)))) (forall ((v_~cur~0_28 Int)) (or (< v_~cur~0_28 c_~next~0) (and (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse12 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (< (+ aux_mod_v_~next~0_20_56 c_~j~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse12 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse12 c_~cur~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 (* 2 c_~j~0) aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_26 (+ c_~cur~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_28 v_~cur~0_26))))) (forall ((aux_mod_v_~cur~0_22_51 Int) (aux_div_v_~next~0_20_56 Int) (aux_div_v_~cur~0_22_51 Int) (v_~prev~0_24 Int) (v_~cur~0_26 Int) (aux_mod_v_~next~0_20_56 Int)) (let ((.cse13 (* 2 v_~cur~0_26))) (or (< aux_mod_v_~cur~0_22_51 0) (<= 2 aux_mod_v_~cur~0_22_51) (< aux_div_v_~cur~0_22_51 (+ .cse13 c_~cur~0 v_~cur~0_28 1)) (<= (+ (* 5 aux_div_v_~next~0_20_56) (* 2 aux_div_v_~cur~0_22_51) v_~prev~0_24) (+ 23 aux_mod_v_~cur~0_22_51 (* 2 aux_mod_v_~next~0_20_56) (* 2 c_~i~0))) (< v_~cur~0_26 (+ c_~cur~0 (* 2 v_~cur~0_28))) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< v_~prev~0_24 (+ c_~cur~0 v_~cur~0_28 v_~cur~0_26)) (< (+ aux_mod_v_~next~0_20_56 c_~i~0 (* 2 aux_mod_v_~cur~0_22_51) 11) (+ (* 3 v_~prev~0_24) .cse13 c_~cur~0 (* 2 aux_div_v_~next~0_20_56) (* 4 aux_div_v_~cur~0_22_51) v_~cur~0_28)))))))) (forall ((aux_div_v_~next~0_20_56 Int) (v_~cur~0_22 Int) (aux_mod_v_~next~0_20_56 Int)) (or (<= (+ (* 5 aux_div_v_~next~0_20_56) v_~cur~0_22) (+ (* 2 c_~j~0) 22 (* 2 aux_mod_v_~next~0_20_56))) (< v_~cur~0_22 (+ c_~next~0 c_~cur~0)) (<= 2 aux_mod_v_~next~0_20_56) (< aux_mod_v_~next~0_20_56 0) (< (+ aux_mod_v_~next~0_20_56 9 c_~j~0) (+ (* 2 v_~cur~0_22) c_~next~0 (* 2 aux_div_v_~next~0_20_56))))))) is different from false Received shutdown request... [2021-11-13 17:40:00,835 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 [2021-11-13 17:40:00,835 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-13 17:40:00,835 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 [2021-11-13 17:40:01,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-13 17:40:01,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:40:01,311 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 146 known predicates. [2021-11-13 17:40:01,313 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-13 17:40:01,314 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-13 17:40:01,314 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-13 17:40:01,320 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2021-11-13 17:40:01,322 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 17:40:01,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:40:01,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:40:01 BasicIcfg [2021-11-13 17:40:01,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:40:01,324 INFO L158 Benchmark]: Toolchain (without parser) took 865879.18ms. Allocated memory was 402.7MB in the beginning and 599.8MB in the end (delta: 197.1MB). Free memory was 347.4MB in the beginning and 560.1MB in the end (delta: -212.7MB). Peak memory consumption was 341.9MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,324 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 402.7MB. Free memory is still 365.1MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-13 17:40:01,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.01ms. Allocated memory is still 402.7MB. Free memory was 347.2MB in the beginning and 365.5MB in the end (delta: -18.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.00ms. Allocated memory is still 402.7MB. Free memory was 365.5MB in the beginning and 363.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,326 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 402.7MB. Free memory was 363.7MB in the beginning and 362.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,326 INFO L158 Benchmark]: RCFGBuilder took 521.91ms. Allocated memory is still 402.7MB. Free memory was 362.3MB in the beginning and 350.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,326 INFO L158 Benchmark]: TraceAbstraction took 864887.76ms. Allocated memory was 402.7MB in the beginning and 599.8MB in the end (delta: 197.1MB). Free memory was 349.4MB in the beginning and 560.1MB in the end (delta: -210.7MB). Peak memory consumption was 344.7MB. Max. memory is 16.0GB. [2021-11-13 17:40:01,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 402.7MB. Free memory is still 365.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 395.01ms. Allocated memory is still 402.7MB. Free memory was 347.2MB in the beginning and 365.5MB in the end (delta: -18.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 48.00ms. Allocated memory is still 402.7MB. Free memory was 365.5MB in the beginning and 363.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 402.7MB. Free memory was 363.7MB in the beginning and 362.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 521.91ms. Allocated memory is still 402.7MB. Free memory was 362.3MB in the beginning and 350.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 864887.76ms. Allocated memory was 402.7MB in the beginning and 599.8MB in the end (delta: 197.1MB). Free memory was 349.4MB in the beginning and 560.1MB in the end (delta: -210.7MB). Peak memory consumption was 344.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 103, negative conditional: 100, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 771, positive unconditional: 1035, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 202, positive unconditional: 1604, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 202, positive unconditional: 1604, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, positive: 775, positive conditional: 0, positive unconditional: 775, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, positive: 775, positive conditional: 0, positive unconditional: 775, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1809, positive: 1031, positive conditional: 202, positive unconditional: 829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 778, unknown conditional: 0, unknown unconditional: 778] , Statistics on independence cache: Total cache size (in pairs): 778, Positive cache size: 775, Positive conditional cache size: 0, Positive unconditional cache size: 775, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 569, Maximal queried relation: 0, Independence queries for same thread: 100 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 74.59ms, Number of persistent set computation: 59, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 790, positive: 787, positive conditional: 0, positive unconditional: 787, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 103, negative conditional: 100, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 1019, positive unconditional: 787, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 771, positive unconditional: 1035, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 202, positive unconditional: 1604, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1809, positive: 1806, positive conditional: 202, positive unconditional: 1604, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 778, positive: 775, positive conditional: 0, positive unconditional: 775, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 778, positive: 775, positive conditional: 0, positive unconditional: 775, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1809, positive: 1031, positive conditional: 202, positive unconditional: 829, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 778, unknown conditional: 0, unknown unconditional: 778] , Statistics on independence cache: Total cache size (in pairs): 778, Positive cache size: 775, Positive conditional cache size: 0, Positive unconditional cache size: 775, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 569, Maximal queried relation: 0, Independence queries for same thread: 100 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 726]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 146 known predicates. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 146 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 146 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 864.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 297.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 565.3s InterpolantComputationTime, 880 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1253 ConstructedInterpolants, 88 QuantifiedInterpolants, 17966 SizeOfPredicates, 68 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 486/2490 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