/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 09:39:43,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 09:39:43,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 09:39:43,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 09:39:43,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 09:39:43,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 09:39:43,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 09:39:43,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 09:39:43,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 09:39:43,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 09:39:43,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 09:39:43,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 09:39:43,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 09:39:43,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 09:39:43,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 09:39:43,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 09:39:43,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 09:39:43,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 09:39:43,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 09:39:43,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 09:39:43,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 09:39:43,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 09:39:43,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 09:39:43,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 09:39:43,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 09:39:43,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 09:39:43,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 09:39:43,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 09:39:43,533 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-Uncond-NoLbe.epf [2021-10-22 09:39:43,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 09:39:43,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 09:39:43,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 09:39:43,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 09:39:43,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 09:39:43,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 09:39:43,568 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 09:39:43,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 09:39:43,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 09:39:43,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 09:39:43,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 09:39:43,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 09:39:43,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 09:39:43,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 09:39:43,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 09:39:43,571 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 09:39:43,571 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 09:39:43,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 09:39:43,571 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 09:39:43,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 09:39:43,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 09:39:43,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 09:39:43,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 09:39:43,787 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 09:39:43,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-10-22 09:39:43,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9c72ed5/c79f13fa9f814c2ba4b073423b0bf7a6/FLAG2f4964eb3 [2021-10-22 09:39:44,217 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 09:39:44,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_bench_longer-1.i [2021-10-22 09:39:44,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9c72ed5/c79f13fa9f814c2ba4b073423b0bf7a6/FLAG2f4964eb3 [2021-10-22 09:39:44,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e9c72ed5/c79f13fa9f814c2ba4b073423b0bf7a6 [2021-10-22 09:39:44,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 09:39:44,572 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 09:39:44,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 09:39:44,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 09:39:44,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 09:39:44,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2556c44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44, skipping insertion in model container [2021-10-22 09:39:44,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 09:39:44,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 09:39:44,851 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_bench_longer-1.i[30927,30940] [2021-10-22 09:39:44,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 09:39:44,859 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 09:39:44,884 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_bench_longer-1.i[30927,30940] [2021-10-22 09:39:44,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 09:39:44,910 INFO L208 MainTranslator]: Completed translation [2021-10-22 09:39:44,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44 WrapperNode [2021-10-22 09:39:44,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 09:39:44,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 09:39:44,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 09:39:44,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 09:39:44,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 09:39:44,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 09:39:44,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 09:39:44,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 09:39:44,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 09:39:44,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 09:39:44,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 09:39:44,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 09:39:44,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (1/1) ... [2021-10-22 09:39:44,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 09:39:44,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:44,981 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) [2021-10-22 09:39:45,002 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 [2021-10-22 09:39:45,012 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-22 09:39:45,012 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-22 09:39:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-22 09:39:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 09:39:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 09:39:45,014 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 09:39:45,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 09:39:45,298 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-22 09:39:45,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:39:45 BoogieIcfgContainer [2021-10-22 09:39:45,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 09:39:45,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 09:39:45,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 09:39:45,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 09:39:45,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:39:44" (1/3) ... [2021-10-22 09:39:45,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:39:45, skipping insertion in model container [2021-10-22 09:39:45,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:39:44" (2/3) ... [2021-10-22 09:39:45,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7b6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:39:45, skipping insertion in model container [2021-10-22 09:39:45,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:39:45" (3/3) ... [2021-10-22 09:39:45,304 INFO L111 eAbstractionObserver]: Analyzing ICFG fib_bench_longer-1.i [2021-10-22 09:39:45,308 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 09:39:45,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 09:39:45,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 09:39:45,308 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 09:39:45,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,339 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,347 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,347 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,349 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,349 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,349 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,350 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,350 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,351 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,352 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,353 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,364 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,365 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 09:39:45,370 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 09:39:45,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 09:39:45,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:45,412 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) [2021-10-22 09:39:45,416 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 [2021-10-22 09:39:45,438 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 09:39:45,442 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, mConcurrency=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 [2021-10-22 09:39:45,442 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-22 09:39:45,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:45,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:45,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1934908895, now seen corresponding path program 1 times [2021-10-22 09:39:45,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:45,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162469368] [2021-10-22 09:39:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:45,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:45,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:45,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162469368] [2021-10-22 09:39:45,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162469368] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 09:39:45,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 09:39:45,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-22 09:39:45,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812065373] [2021-10-22 09:39:45,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-22 09:39:45,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:45,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-22 09:39:45,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-22 09:39:45,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:45,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:45,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-10-22 09:39:45,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:46,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 09:39:46,012 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:46,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:46,015 INFO L82 PathProgramCache]: Analyzing trace with hash 722791486, now seen corresponding path program 1 times [2021-10-22 09:39:46,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:46,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446088868] [2021-10-22 09:39:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:46,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:46,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:46,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446088868] [2021-10-22 09:39:46,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446088868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 09:39:46,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 09:39:46,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 09:39:46,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117666954] [2021-10-22 09:39:46,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 09:39:46,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 09:39:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 09:39:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:46,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:46,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-10-22 09:39:46,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:46,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:46,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:46,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 09:39:46,118 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:46,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1459336975, now seen corresponding path program 1 times [2021-10-22 09:39:46,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:46,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185796584] [2021-10-22 09:39:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:46,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:46,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:46,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185796584] [2021-10-22 09:39:46,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185796584] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:46,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272263171] [2021-10-22 09:39:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:46,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:46,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:46,188 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) [2021-10-22 09:39:46,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 09:39:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:46,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 09:39:46,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:46,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272263171] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:46,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:46,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-22 09:39:46,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212240966] [2021-10-22 09:39:46,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 09:39:46,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:46,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 09:39:46,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 09:39:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:46,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:46,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 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) [2021-10-22 09:39:46,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:46,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:46,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:46,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:46,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:46,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:46,779 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 [2021-10-22 09:39:46,779 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:46,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:46,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1212029922, now seen corresponding path program 2 times [2021-10-22 09:39:46,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:46,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162347354] [2021-10-22 09:39:46,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:46,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:46,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:46,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162347354] [2021-10-22 09:39:46,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162347354] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:46,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462287348] [2021-10-22 09:39:46,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:39:46,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:46,885 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) [2021-10-22 09:39:46,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 09:39:46,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:39:46,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:46,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 09:39:46,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:47,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:47,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462287348] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:47,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:47,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-22 09:39:47,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453889305] [2021-10-22 09:39:47,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 09:39:47,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:47,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 09:39:47,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 09:39:47,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:47,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:47,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 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) [2021-10-22 09:39:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:47,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:47,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 09:39:47,407 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 [2021-10-22 09:39:47,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:47,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:47,408 INFO L82 PathProgramCache]: Analyzing trace with hash 588725521, now seen corresponding path program 3 times [2021-10-22 09:39:47,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:47,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611036711] [2021-10-22 09:39:47,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:47,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:47,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:47,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611036711] [2021-10-22 09:39:47,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611036711] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:47,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885726756] [2021-10-22 09:39:47,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:39:47,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:47,463 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) [2021-10-22 09:39:47,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 09:39:47,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-22 09:39:47,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:47,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 09:39:47,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:47,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885726756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:47,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:47,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2021-10-22 09:39:47,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417824067] [2021-10-22 09:39:47,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 09:39:47,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:47,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 09:39:47,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 09:39:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:47,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:47,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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) [2021-10-22 09:39:47,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:47,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:47,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:47,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:47,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:47,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:47,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-22 09:39:48,025 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 [2021-10-22 09:39:48,025 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:48,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:48,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1308787710, now seen corresponding path program 4 times [2021-10-22 09:39:48,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:48,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731386325] [2021-10-22 09:39:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:48,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:48,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:48,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731386325] [2021-10-22 09:39:48,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731386325] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:48,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54923308] [2021-10-22 09:39:48,120 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:39:48,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:48,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:48,121 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) [2021-10-22 09:39:48,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 09:39:48,221 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:39:48,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:48,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-22 09:39:48,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:48,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54923308] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:48,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:48,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-10-22 09:39:48,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951797672] [2021-10-22 09:39:48,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-22 09:39:48,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:48,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-22 09:39:48,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-22 09:39:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:48,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:48,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 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) [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:48,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:48,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:48,661 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 [2021-10-22 09:39:48,662 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:48,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:48,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1168083249, now seen corresponding path program 5 times [2021-10-22 09:39:48,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:48,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560012505] [2021-10-22 09:39:48,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:48,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:48,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:48,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560012505] [2021-10-22 09:39:48,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560012505] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:48,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032562396] [2021-10-22 09:39:48,752 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:39:48,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:48,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:48,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:48,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 09:39:48,872 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-22 09:39:48,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:48,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-22 09:39:48,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:49,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032562396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:49,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:49,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-10-22 09:39:49,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386478917] [2021-10-22 09:39:49,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-22 09:39:49,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:49,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-22 09:39:49,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-10-22 09:39:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:49,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:49,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 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) [2021-10-22 09:39:49,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:49,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:49,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-22 09:39:49,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:49,376 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:49,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:49,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1734659038, now seen corresponding path program 6 times [2021-10-22 09:39:49,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:49,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879054370] [2021-10-22 09:39:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:49,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:49,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:49,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879054370] [2021-10-22 09:39:49,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879054370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:49,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840999230] [2021-10-22 09:39:49,549 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:39:49,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:49,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:49,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 09:39:49,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:39:49,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:49,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-22 09:39:49,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:50,316 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:50,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840999230] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:50,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:50,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-10-22 09:39:50,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131217487] [2021-10-22 09:39:50,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-22 09:39:50,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:50,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-22 09:39:50,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2021-10-22 09:39:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:50,318 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:50,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.181818181818182) internal successors, (136), 22 states have internal predecessors, (136), 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) [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:50,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:50,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:50,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:50,592 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:50,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1884509939, now seen corresponding path program 1 times [2021-10-22 09:39:50,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:50,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542773863] [2021-10-22 09:39:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:50,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:50,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:50,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542773863] [2021-10-22 09:39:50,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542773863] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:50,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003123071] [2021-10-22 09:39:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:50,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:50,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:50,779 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:50,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 09:39:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:51,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-22 09:39:51,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:51,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003123071] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:51,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:51,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 24 [2021-10-22 09:39:51,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558256812] [2021-10-22 09:39:51,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-22 09:39:51,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:51,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-22 09:39:51,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2021-10-22 09:39:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:51,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:51,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.083333333333333) internal successors, (146), 24 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:51,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:51,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:51,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:52,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-10-22 09:39:52,105 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:52,105 INFO L82 PathProgramCache]: Analyzing trace with hash 563704062, now seen corresponding path program 2 times [2021-10-22 09:39:52,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:52,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346182576] [2021-10-22 09:39:52,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:52,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:52,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:52,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346182576] [2021-10-22 09:39:52,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346182576] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:52,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027445230] [2021-10-22 09:39:52,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:39:52,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:52,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:52,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:52,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 09:39:52,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:39:52,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:52,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-22 09:39:52,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:53,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027445230] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:53,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:53,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-10-22 09:39:53,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943348911] [2021-10-22 09:39:53,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-22 09:39:53,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:53,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-22 09:39:53,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-10-22 09:39:53,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:53,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:53,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.0) internal successors, (156), 26 states have internal predecessors, (156), 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) [2021-10-22 09:39:53,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:53,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:53,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:53,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:53,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:53,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-22 09:39:53,728 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:53,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1126636077, now seen corresponding path program 3 times [2021-10-22 09:39:53,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:53,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836916568] [2021-10-22 09:39:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:53,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:53,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:53,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836916568] [2021-10-22 09:39:53,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836916568] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:53,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930313327] [2021-10-22 09:39:53,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:39:53,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:53,927 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:53,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-22 09:39:54,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 09:39:54,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:54,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-22 09:39:54,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:55,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930313327] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:55,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:55,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-10-22 09:39:55,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093148487] [2021-10-22 09:39:55,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-22 09:39:55,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:55,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-22 09:39:55,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2021-10-22 09:39:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:55,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:55,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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) [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:55,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:55,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:39:55,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-22 09:39:55,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-22 09:39:55,684 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:55,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:55,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1365627362, now seen corresponding path program 4 times [2021-10-22 09:39:55,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:55,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135102069] [2021-10-22 09:39:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:55,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:55,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:55,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135102069] [2021-10-22 09:39:55,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135102069] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:55,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898272685] [2021-10-22 09:39:55,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:39:55,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:55,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:55,950 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:55,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 09:39:56,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:39:56,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:56,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:39:56,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:57,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898272685] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:57,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:57,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:39:57,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194536640] [2021-10-22 09:39:57,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:39:57,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:57,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:39:57,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2021-10-22 09:39:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:57,377 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:57,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:39:57,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:57,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:57,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:39:57,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:39:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:39:57,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-22 09:39:57,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-22 09:39:57,987 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:39:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:39:57,988 INFO L82 PathProgramCache]: Analyzing trace with hash 174152883, now seen corresponding path program 5 times [2021-10-22 09:39:57,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:39:57,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052479455] [2021-10-22 09:39:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:39:57,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:39:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:39:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:58,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:39:58,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052479455] [2021-10-22 09:39:58,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052479455] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:58,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108360170] [2021-10-22 09:39:58,207 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:39:58,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:39:58,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:39:58,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:39:58,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 09:39:58,752 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 09:39:58,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:39:58,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:39:58,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:39:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:39:59,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108360170] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:39:59,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:39:59,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:39:59,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758677683] [2021-10-22 09:39:59,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:39:59,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:39:59,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:39:59,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:39:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:39:59,717 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:39:59,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:39:59,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:39:59,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:40:00,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 09:40:00,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-22 09:40:00,359 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:00,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1881735998, now seen corresponding path program 6 times [2021-10-22 09:40:00,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:00,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317903105] [2021-10-22 09:40:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:00,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-22 09:40:00,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:00,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317903105] [2021-10-22 09:40:00,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317903105] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:00,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787651905] [2021-10-22 09:40:00,479 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:40:00,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:00,480 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:00,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-22 09:40:01,122 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:40:01,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:01,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-22 09:40:01,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-10-22 09:40:01,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787651905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 09:40:01,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 09:40:01,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-10-22 09:40:01,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77783328] [2021-10-22 09:40:01,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-22 09:40:01,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-22 09:40:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-10-22 09:40:01,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:01,372 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:01,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.2) internal successors, (78), 15 states have internal predecessors, (78), 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) [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:40:01,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:02,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-10-22 09:40:02,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-22 09:40:02,483 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:02,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:02,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1437175136, now seen corresponding path program 7 times [2021-10-22 09:40:02,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:02,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486127070] [2021-10-22 09:40:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:02,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 91 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-22 09:40:02,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:02,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486127070] [2021-10-22 09:40:02,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486127070] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:02,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215062970] [2021-10-22 09:40:02,588 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 09:40:02,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:02,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:02,589 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:02,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-22 09:40:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:03,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-22 09:40:03,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-22 09:40:03,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215062970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 09:40:03,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-22 09:40:03,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 17 [2021-10-22 09:40:03,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678415905] [2021-10-22 09:40:03,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-22 09:40:03,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:03,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-22 09:40:03,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2021-10-22 09:40:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:03,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:03,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 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) [2021-10-22 09:40:03,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:03,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:03,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:03,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-22 09:40:03,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:03,991 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:03,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:03,992 INFO L82 PathProgramCache]: Analyzing trace with hash 853632635, now seen corresponding path program 8 times [2021-10-22 09:40:03,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:03,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780673561] [2021-10-22 09:40:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:03,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:04,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:04,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780673561] [2021-10-22 09:40:04,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780673561] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:04,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678195495] [2021-10-22 09:40:04,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:40:04,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:04,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:04,244 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:04,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-22 09:40:05,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:40:05,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:05,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-22 09:40:05,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:05,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678195495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:05,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:05,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-10-22 09:40:05,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568365564] [2021-10-22 09:40:05,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-22 09:40:05,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:05,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-22 09:40:05,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2021-10-22 09:40:05,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:05,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:05,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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) [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:05,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:06,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:06,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-22 09:40:06,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-22 09:40:06,508 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:06,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1217386102, now seen corresponding path program 9 times [2021-10-22 09:40:06,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:06,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038876548] [2021-10-22 09:40:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:06,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:06,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:06,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038876548] [2021-10-22 09:40:06,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038876548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:06,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975384320] [2021-10-22 09:40:06,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:40:06,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:06,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:06,726 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:06,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-22 09:40:07,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 09:40:07,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:07,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:40:07,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:08,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975384320] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:08,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:08,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:40:08,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003694454] [2021-10-22 09:40:08,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:40:08,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:08,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:40:08,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2021-10-22 09:40:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:08,669 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:08,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:08,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:09,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 09:40:09,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-10-22 09:40:09,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-22 09:40:09,360 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:09,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1512101029, now seen corresponding path program 10 times [2021-10-22 09:40:09,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:09,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541520503] [2021-10-22 09:40:09,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:09,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:09,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:09,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541520503] [2021-10-22 09:40:09,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541520503] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:09,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048048372] [2021-10-22 09:40:09,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:40:09,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:09,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:09,592 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:09,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-22 09:40:10,460 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:40:10,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:10,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:40:10,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:11,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048048372] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:11,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:11,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:40:11,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640825473] [2021-10-22 09:40:11,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:40:11,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:11,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:40:11,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:40:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:11,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:11,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-22 09:40:11,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:12,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:12,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:12,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-22 09:40:12,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-22 09:40:12,781 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:12,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:12,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1596566789, now seen corresponding path program 11 times [2021-10-22 09:40:12,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:12,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559884005] [2021-10-22 09:40:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:12,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:12,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:12,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559884005] [2021-10-22 09:40:12,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559884005] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:12,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595740660] [2021-10-22 09:40:12,982 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:40:12,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:12,983 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:12,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-22 09:40:13,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 09:40:13,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:13,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-22 09:40:13,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:17,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595740660] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:17,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:17,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-10-22 09:40:17,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591065903] [2021-10-22 09:40:17,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-22 09:40:17,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:17,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-22 09:40:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=566, Unknown=1, NotChecked=0, Total=756 [2021-10-22 09:40:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:17,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:17,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.928571428571429) internal successors, (166), 28 states have internal predecessors, (166), 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) [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:19,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-22 09:40:19,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:19,219 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:19,219 INFO L82 PathProgramCache]: Analyzing trace with hash -402647508, now seen corresponding path program 12 times [2021-10-22 09:40:19,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:19,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901866024] [2021-10-22 09:40:19,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:19,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:19,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:19,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901866024] [2021-10-22 09:40:19,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901866024] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:19,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236586212] [2021-10-22 09:40:19,447 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:40:19,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:19,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:19,448 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:19,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-22 09:40:20,483 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:40:20,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:40:20,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:40:20,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:26,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236586212] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:26,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:26,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:40:26,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319636356] [2021-10-22 09:40:26,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:40:26,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:26,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:40:26,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=696, Unknown=2, NotChecked=0, Total=930 [2021-10-22 09:40:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:26,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:26,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:26,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:40:35,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-22 09:40:35,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:35,821 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:40:35,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:40:35,821 INFO L82 PathProgramCache]: Analyzing trace with hash -464499355, now seen corresponding path program 13 times [2021-10-22 09:40:35,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:40:35,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835400773] [2021-10-22 09:40:35,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:40:35,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:40:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:36,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:40:36,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835400773] [2021-10-22 09:40:36,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835400773] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:36,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304232132] [2021-10-22 09:40:36,058 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 09:40:36,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:40:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:40:36,059 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:40:36,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-22 09:40:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:40:37,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:40:37,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:40:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:40:44,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304232132] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:40:44,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:40:44,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:40:44,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433603776] [2021-10-22 09:40:44,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:40:44,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:40:44,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:40:44,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=797, Unknown=2, NotChecked=0, Total=1056 [2021-10-22 09:40:44,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:40:44,995 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:40:44,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:40:44,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:41:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:41:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:41:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:41:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:41:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:41:19,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-22 09:41:19,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-22 09:41:19,264 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:41:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:41:19,264 INFO L82 PathProgramCache]: Analyzing trace with hash 340286646, now seen corresponding path program 14 times [2021-10-22 09:41:19,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:41:19,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963526725] [2021-10-22 09:41:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:41:19,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:41:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:41:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:41:19,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:41:19,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963526725] [2021-10-22 09:41:19,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963526725] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:41:19,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159788588] [2021-10-22 09:41:19,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:41:19,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:41:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:41:19,510 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:41:19,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-22 09:41:20,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:41:20,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:41:20,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:41:20,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:41:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:41:24,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159788588] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:41:24,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:41:24,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:41:24,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795975832] [2021-10-22 09:41:24,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:41:24,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:41:24,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:41:24,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=696, Unknown=1, NotChecked=0, Total=930 [2021-10-22 09:41:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:41:24,295 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:41:24,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:41:24,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:41:24,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:41:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:41:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:41:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:41:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:41:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:41:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:41:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:41:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:41:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:41:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:41:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:30,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-22 09:41:31,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-10-22 09:41:31,179 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:41:31,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:41:31,180 INFO L82 PathProgramCache]: Analyzing trace with hash -2084532965, now seen corresponding path program 15 times [2021-10-22 09:41:31,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:41:31,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062816383] [2021-10-22 09:41:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:41:31,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:41:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:41:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:41:31,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:41:31,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062816383] [2021-10-22 09:41:31,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062816383] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:41:31,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072237632] [2021-10-22 09:41:31,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:41:31,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:41:31,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:41:31,430 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:41:31,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-22 09:41:32,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 09:41:32,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:41:32,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:41:32,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:41:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:41:44,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072237632] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:41:44,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:41:44,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:41:44,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574188980] [2021-10-22 09:41:44,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:41:44,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:41:44,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:41:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=795, Unknown=4, NotChecked=0, Total=1056 [2021-10-22 09:41:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:41:44,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:41:44,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:41:44,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:41:44,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:43:12,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:43:12,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:43:12,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-22 09:43:12,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:43:12,889 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:43:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:43:12,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1341598811, now seen corresponding path program 16 times [2021-10-22 09:43:12,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:43:12,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541703939] [2021-10-22 09:43:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:43:12,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:43:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:43:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:43:13,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:43:13,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541703939] [2021-10-22 09:43:13,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541703939] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:43:13,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988058368] [2021-10-22 09:43:13,132 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:43:13,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:43:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:43:13,133 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:43:13,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-22 09:43:14,566 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:43:14,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:43:14,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:43:14,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:43:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:43:22,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988058368] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:43:22,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:43:22,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:43:22,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059100834] [2021-10-22 09:43:22,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:43:22,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:43:22,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:43:22,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=796, Unknown=3, NotChecked=0, Total=1056 [2021-10-22 09:43:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:43:22,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:43:22,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:43:22,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:43:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:43:22,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:44:25,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:44:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:44:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:44:25,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-10-22 09:44:25,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:44:25,807 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:44:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:44:25,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1612898597, now seen corresponding path program 17 times [2021-10-22 09:44:25,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:44:25,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900164515] [2021-10-22 09:44:25,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:44:25,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:44:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:44:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:44:26,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:44:26,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900164515] [2021-10-22 09:44:26,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900164515] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:44:26,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237629682] [2021-10-22 09:44:26,038 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:44:26,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:44:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:44:26,039 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:44:26,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-22 09:44:27,627 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 09:44:27,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:44:27,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:44:27,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:44:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:44:28,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237629682] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:44:28,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:44:28,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:44:28,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606181645] [2021-10-22 09:44:28,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:44:28,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:44:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:44:28,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:44:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:44:28,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:44:28,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:44:28,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:44:28,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:45:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:05,469 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-22 09:45:05,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-10-22 09:45:05,648 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:05,648 INFO L82 PathProgramCache]: Analyzing trace with hash -90971371, now seen corresponding path program 18 times [2021-10-22 09:45:05,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:05,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118336200] [2021-10-22 09:45:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:05,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:05,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:05,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118336200] [2021-10-22 09:45:05,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118336200] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:05,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825492972] [2021-10-22 09:45:05,905 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:45:05,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:05,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:05,906 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:05,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-22 09:45:07,742 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:45:07,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:45:07,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:45:07,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:45:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:09,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825492972] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:09,462 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:45:09,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:45:09,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575172015] [2021-10-22 09:45:09,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:45:09,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:45:09,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:45:09,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=801, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:45:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:09,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:45:09,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:09,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:09,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:45:35,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-22 09:45:35,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-22 09:45:35,783 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:35,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:35,783 INFO L82 PathProgramCache]: Analyzing trace with hash -766381518, now seen corresponding path program 19 times [2021-10-22 09:45:35,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:35,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943238835] [2021-10-22 09:45:35,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:35,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:36,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:36,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943238835] [2021-10-22 09:45:36,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943238835] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:36,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055486545] [2021-10-22 09:45:36,047 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 09:45:36,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:36,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:36,051 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:36,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-22 09:45:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:37,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:45:37,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:45:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:39,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055486545] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:39,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:45:39,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:45:39,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950587478] [2021-10-22 09:45:39,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:45:39,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:45:39,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:45:39,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=695, Unknown=0, NotChecked=0, Total=930 [2021-10-22 09:45:39,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:39,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:45:39,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:45:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:39,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:45:39,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:45:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:45:39,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-22 09:45:39,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-22 09:45:39,625 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:39,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:39,625 INFO L82 PathProgramCache]: Analyzing trace with hash 956630303, now seen corresponding path program 20 times [2021-10-22 09:45:39,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:39,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764075869] [2021-10-22 09:45:39,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:39,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:39,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:39,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764075869] [2021-10-22 09:45:39,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764075869] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:39,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407512808] [2021-10-22 09:45:39,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:45:39,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:39,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:39,879 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:39,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-22 09:45:41,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:45:41,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:45:41,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:45:41,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:45:42,867 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:42,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407512808] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:42,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:45:42,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:45:42,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852774552] [2021-10-22 09:45:42,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:45:42,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:45:42,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:45:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:45:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:42,872 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:45:42,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:42,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:45:42,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:45:42,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:43,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:43,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-22 09:45:44,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-22 09:45:44,156 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:44,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash -23447364, now seen corresponding path program 21 times [2021-10-22 09:45:44,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:44,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077462683] [2021-10-22 09:45:44,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:44,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:44,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:44,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077462683] [2021-10-22 09:45:44,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077462683] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:44,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276949909] [2021-10-22 09:45:44,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:45:44,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:44,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:44,385 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:44,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-22 09:45:46,374 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 09:45:46,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:45:46,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:45:46,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:45:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:47,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276949909] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:47,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:45:47,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:45:47,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339353642] [2021-10-22 09:45:47,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:45:47,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:45:47,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:45:47,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2021-10-22 09:45:47,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:47,776 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:45:47,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:47,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:47,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:48,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:48,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:45:48,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-22 09:45:48,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-22 09:45:48,977 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:48,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:48,978 INFO L82 PathProgramCache]: Analyzing trace with hash -663403307, now seen corresponding path program 22 times [2021-10-22 09:45:48,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:48,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711232735] [2021-10-22 09:45:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:48,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:49,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:49,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711232735] [2021-10-22 09:45:49,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711232735] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:49,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614852351] [2021-10-22 09:45:49,202 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:45:49,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:49,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:49,203 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:49,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-22 09:45:51,287 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:45:51,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:45:51,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:45:51,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:45:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:53,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614852351] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:53,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:45:53,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:45:53,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578497505] [2021-10-22 09:45:53,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:45:53,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:45:53,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:45:53,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:45:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:53,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:45:53,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:53,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-22 09:45:53,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:58,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:45:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:45:58,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-22 09:45:59,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:59,063 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:45:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:45:59,063 INFO L82 PathProgramCache]: Analyzing trace with hash 79530847, now seen corresponding path program 23 times [2021-10-22 09:45:59,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:45:59,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818830145] [2021-10-22 09:45:59,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:45:59,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:45:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:45:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:45:59,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:45:59,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818830145] [2021-10-22 09:45:59,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818830145] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:45:59,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360495488] [2021-10-22 09:45:59,322 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:45:59,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:45:59,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:45:59,323 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:45:59,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-22 09:46:01,584 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 09:46:01,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:46:01,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:46:01,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:46:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:07,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360495488] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:07,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:46:07,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:46:07,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251098787] [2021-10-22 09:46:07,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:46:07,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:46:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:46:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=795, Unknown=2, NotChecked=0, Total=1056 [2021-10-22 09:46:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:07,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:46:07,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:07,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:07,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:46:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:24,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:24,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-22 09:46:25,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-10-22 09:46:25,015 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:46:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:46:25,021 INFO L82 PathProgramCache]: Analyzing trace with hash -191768939, now seen corresponding path program 24 times [2021-10-22 09:46:25,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:46:25,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155485884] [2021-10-22 09:46:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:46:25,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:46:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:46:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:25,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:46:25,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155485884] [2021-10-22 09:46:25,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155485884] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:25,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599469875] [2021-10-22 09:46:25,282 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:46:25,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:25,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:46:25,283 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:46:25,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-22 09:46:27,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:46:27,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:46:27,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:46:27,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:46:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:28,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599469875] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:28,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:46:28,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:46:28,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82278044] [2021-10-22 09:46:28,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:46:28,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:46:28,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:46:28,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:46:28,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:28,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:46:28,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:46:28,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:28,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:46:28,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:28,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:48,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2021-10-22 09:46:48,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:48,482 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:46:48,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:46:48,482 INFO L82 PathProgramCache]: Analyzing trace with hash -2147332877, now seen corresponding path program 25 times [2021-10-22 09:46:48,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:46:48,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454653863] [2021-10-22 09:46:48,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:46:48,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:46:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:46:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:48,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:46:48,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454653863] [2021-10-22 09:46:48,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454653863] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:48,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284296692] [2021-10-22 09:46:48,749 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 09:46:48,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:46:48,750 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:46:48,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-22 09:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:46:51,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:46:51,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:46:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:52,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284296692] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:52,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:46:52,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:46:52,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252067331] [2021-10-22 09:46:52,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:46:52,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:46:52,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:46:52,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:46:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:52,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:46:52,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:52,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:54,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-22 09:46:54,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:54,443 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:46:54,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:46:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1543742360, now seen corresponding path program 26 times [2021-10-22 09:46:54,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:46:54,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434470485] [2021-10-22 09:46:54,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:46:54,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:46:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:46:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:54,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:46:54,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434470485] [2021-10-22 09:46:54,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434470485] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:54,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053121547] [2021-10-22 09:46:54,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 09:46:54,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:54,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:46:54,645 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:46:54,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-22 09:46:57,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 09:46:57,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:46:57,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-22 09:46:57,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:46:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:58,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053121547] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:58,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:46:58,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-10-22 09:46:58,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354298916] [2021-10-22 09:46:58,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-22 09:46:58,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:46:58,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-22 09:46:58,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2021-10-22 09:46:58,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:58,331 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:46:58,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.709677419354839) internal successors, (177), 31 states have internal predecessors, (177), 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) [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:46:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:46:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:46:58,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-10-22 09:46:59,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-10-22 09:46:59,075 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:46:59,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:46:59,075 INFO L82 PathProgramCache]: Analyzing trace with hash 527600809, now seen corresponding path program 27 times [2021-10-22 09:46:59,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:46:59,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812463158] [2021-10-22 09:46:59,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:46:59,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:46:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:46:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:46:59,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:46:59,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812463158] [2021-10-22 09:46:59,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812463158] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:46:59,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036007904] [2021-10-22 09:46:59,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 09:46:59,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:46:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:46:59,300 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:46:59,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-10-22 09:47:01,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-22 09:47:01,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:47:01,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:47:01,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:47:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:03,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036007904] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:03,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:47:03,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:47:03,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261248573] [2021-10-22 09:47:03,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:47:03,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:47:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:47:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=794, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:47:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:03,409 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:47:03,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:03,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:03,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:47:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:05,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-10-22 09:47:05,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-22 09:47:05,244 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:47:05,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:47:05,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1270534963, now seen corresponding path program 28 times [2021-10-22 09:47:05,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:47:05,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901612847] [2021-10-22 09:47:05,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:47:05,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:47:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:47:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:05,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:47:05,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901612847] [2021-10-22 09:47:05,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901612847] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:05,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248559287] [2021-10-22 09:47:05,484 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 09:47:05,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:47:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:47:05,485 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:47:05,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-22 09:47:08,243 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 09:47:08,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:47:08,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:47:08,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:47:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:11,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248559287] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:11,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:47:11,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:47:11,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138130723] [2021-10-22 09:47:11,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:47:11,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:47:11,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:47:11,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=793, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:47:11,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:11,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:47:11,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:11,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:11,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:12,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:12,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:12,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2021-10-22 09:47:13,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-22 09:47:13,144 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:47:13,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:47:13,144 INFO L82 PathProgramCache]: Analyzing trace with hash 999235177, now seen corresponding path program 29 times [2021-10-22 09:47:13,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:47:13,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537842764] [2021-10-22 09:47:13,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:47:13,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:47:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:47:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:13,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:47:13,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537842764] [2021-10-22 09:47:13,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537842764] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:13,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967045525] [2021-10-22 09:47:13,371 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 09:47:13,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:47:13,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:47:13,372 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:47:13,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-10-22 09:47:16,156 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-22 09:47:16,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:47:16,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:47:16,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:47:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:18,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967045525] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:18,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:47:18,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:47:18,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388110409] [2021-10-22 09:47:18,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:47:18,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:47:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:47:18,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:47:18,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:18,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:47:18,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:47:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:18,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:23,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:47:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:23,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-10-22 09:47:23,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:47:23,524 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:47:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:47:23,524 INFO L82 PathProgramCache]: Analyzing trace with hash -992694187, now seen corresponding path program 30 times [2021-10-22 09:47:23,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:47:23,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497321407] [2021-10-22 09:47:23,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:47:23,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:47:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:47:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:23,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:47:23,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497321407] [2021-10-22 09:47:23,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497321407] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:23,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875309797] [2021-10-22 09:47:23,768 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-22 09:47:23,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:47:23,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:47:23,769 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:47:23,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-10-22 09:47:26,709 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-10-22 09:47:26,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 09:47:26,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:47:26,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:47:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:28,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875309797] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:28,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:47:28,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:47:28,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411338412] [2021-10-22 09:47:28,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:47:28,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:47:28,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:47:28,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-10-22 09:47:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:28,327 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:47:28,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:28,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:47:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:47:29,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-10-22 09:47:29,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-10-22 09:47:29,635 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 09:47:29,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 09:47:29,635 INFO L82 PathProgramCache]: Analyzing trace with hash -249760033, now seen corresponding path program 31 times [2021-10-22 09:47:29,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 09:47:29,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645021957] [2021-10-22 09:47:29,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 09:47:29,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 09:47:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:47:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:47:29,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 09:47:29,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645021957] [2021-10-22 09:47:29,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645021957] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:47:29,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430825293] [2021-10-22 09:47:29,893 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-22 09:47:29,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 09:47:29,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 09:47:29,895 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 09:47:29,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-22 09:47:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 09:47:32,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-22 09:47:32,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 09:49:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 09:49:23,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430825293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 09:49:23,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 09:49:23,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-10-22 09:49:23,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013975764] [2021-10-22 09:49:23,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-22 09:49:23,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 09:49:23,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-22 09:49:23,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=789, Unknown=19, NotChecked=0, Total=1056 [2021-10-22 09:49:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:49:23,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 09:49:23,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.666666666666667) internal successors, (187), 33 states have internal predecessors, (187), 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) [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:49:23,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-10-22 09:49:23,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 09:49:27,348 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse17 (* 8 c_~j~0))) (and (exists ((aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 Int) (aux_div_aux_mod_v_~i~0_185_62_120 Int) (aux_div_v_~j~0_158_43 Int)) (let ((.cse3 (* 3 aux_div_aux_mod_v_~i~0_185_62_120)) (.cse2 (* c_~j~0 (- 1))) (.cse0 (* aux_div_v_~j~0_158_43 4)) (.cse1 (* 4 aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44))) (and (< 0 (+ (div (+ (* c_~i~0 (- 1)) 5 c_~j~0 .cse0) 3) 1 .cse1)) (< (+ (div (+ .cse2 2) (- 2)) 1 (* 2 aux_div_v_~j~0_158_43)) (+ c_~j~0 .cse3)) (< (+ (div (+ c_~j~0 (- 5) (* aux_div_v_~j~0_158_43 (- 4))) (- 3)) .cse1) (+ aux_div_aux_mod_v_~i~0_185_62_120 5)) (<= 0 (+ aux_div_aux_mod_v_~i~0_185_62_120 .cse1)) (<= aux_div_v_~j~0_158_43 1) (<= aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 1) (< (+ c_~i~0 1) (+ (* 2 c_~j~0) .cse3)) (< aux_div_aux_mod_v_~i~0_185_62_120 (+ (div (+ .cse2 9 .cse0) 3) 1 .cse1))))) (= c_ULTIMATE.start_main_~condI~0 0) (exists ((aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 Int) (aux_div_v_~j~0_158_43 Int)) (let ((.cse4 (* 4 aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44))) (and (<= 0 (+ (div (+ (* c_~j~0 (- 1)) c_~i~0 4) 3) .cse4)) (< (+ (div (+ c_~i~0 (* aux_div_v_~j~0_158_43 (- 4))) (- 3)) .cse4) 4) (< (+ (* 4 aux_div_v_~j~0_158_43) c_~j~0) (+ 3 (* 2 c_~i~0))) (<= aux_div_v_~j~0_158_43 1) (<= aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 1) (<= 0 (+ (div (+ (* c_~i~0 (- 1)) 5 (* aux_div_v_~j~0_158_43 4)) 3) .cse4))))) (exists ((aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 Int) (aux_div_aux_mod_v_~i~0_185_62_120 Int) (aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 Int) (aux_div_v_~j~0_159_64 Int) (aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 Int)) (let ((.cse11 (* aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 (- 3))) (.cse15 (* aux_div_v_~j~0_159_64 (- 3))) (.cse12 (* c_~i~0 (- 1))) (.cse9 (* aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 3)) (.cse16 (* aux_div_v_~j~0_159_64 3))) (let ((.cse7 (* c_~j~0 (- 1))) (.cse13 (+ (div (+ .cse9 c_~i~0 .cse16 (- 8)) 8) 1)) (.cse14 (div (+ .cse12 16 (* aux_div_aux_mod_v_~i~0_185_62_120 3)) 2)) (.cse6 (+ (div (+ .cse9 (* aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 3) c_~i~0 (- 10)) 8) 1)) (.cse5 (div (+ .cse11 .cse12 .cse15 12) (- 8))) (.cse8 (* aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 (- 3))) (.cse10 (* 4 aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44))) (and (< .cse5 .cse6) (< (div (+ .cse7 9 c_~i~0 .cse8) (- 4)) (+ (div (+ .cse7 .cse9 (* c_~i~0 2) (- 3)) 4) 1)) (< 0 (+ aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 1 .cse10)) (< aux_div_aux_mod_v_~i~0_185_62_120 (+ aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 1 .cse10)) (< (* 3 aux_div_v_~j~0_159_64) (+ (* 6 aux_div_aux_mod_v_~i~0_185_62_120) 6)) (<= 0 (+ aux_div_aux_mod_v_~i~0_185_62_120 .cse10)) (<= aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 1) (< (div (+ .cse11 .cse12 14 .cse8) (- 8)) .cse13) (< (div (+ .cse14 .cse8) (- 4)) .cse13) (< (div (+ .cse7 7 c_~i~0 .cse15) (- 4)) .cse13) (< (div (+ (- 2) .cse14 .cse15) (- 4)) .cse6) (< .cse5 2) (< (div (+ (- 3) .cse16) (- 2)) (+ (div (+ 8 .cse8) 2) 1)) (< (+ aux_div_v_~j~0_159_64 .cse10) (+ aux_div_aux_mod_v_~i~0_185_62_120 5)))))) (<= (+ (* 5 c_~i~0) .cse17) 153) (<= (+ (* 13 c_~i~0) .cse17) 153) (<= (+ (* 21 c_~i~0) .cse17) 153) (<= (div (div (+ (* c_~j~0 (- 1)) 4) 3) (- 4)) 1) (<= (div (+ (* c_~i~0 (- 1)) c_~j~0 1) (- 4)) 1) (exists ((aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_548_355 Int) (aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245 Int) (aux_div_aux_mod_v_~j~0_160_75_157 Int) (aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 Int) (aux_div_v_~j~0_159_64 Int) (aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182 Int) (aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 Int) (aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140 Int) (aux_div_~i~0_121 Int) (aux_div_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203 Int) (aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 Int) (aux_div_aux_mod_v_~i~0_185_62_120 Int) (aux_div_v_~j~0_160_75 Int) (aux_div_aux_mod_aux_mod_v_~j~0_160_75_157_231 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217 Int) (aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182 Int)) (let ((.cse23 (* 4 aux_div_aux_mod_v_~j~0_160_75_157)) (.cse32 (* 4 aux_div_v_~j~0_160_75)) (.cse42 (* 6 aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169)) (.cse44 (* 8 aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140)) (.cse37 (* 2 aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182)) (.cse46 (* c_~j~0 (- 1))) (.cse38 (* 6 aux_div_v_~j~0_159_64)) (.cse39 (* 2 aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140))) (let ((.cse43 (+ .cse38 .cse39 2)) (.cse27 (* 2 aux_div_aux_mod_aux_mod_v_~j~0_160_75_157_231)) (.cse28 (div (+ .cse46 37 (* aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 (- 9))) 2)) (.cse29 (div (+ .cse46 35 (* aux_div_v_~j~0_159_64 (- 3))) 2)) (.cse30 (* 2 aux_div_v_~j~0_160_75)) (.cse40 (+ .cse42 .cse44 .cse37)) (.cse18 (* 2 aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140)) (.cse21 (div (+ .cse46 39 (* aux_div_aux_mod_v_~j~0_160_75_157 (- 4))) 3)) (.cse20 (* 8 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_548_355)) (.cse31 (* 8 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245)) (.cse33 (* 8 aux_div_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203)) (.cse25 (* 8 aux_div_~i~0_121)) (.cse45 (+ .cse42 .cse23 .cse32 .cse37)) (.cse26 (* 3 aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140)) (.cse35 (* 3 aux_div_aux_mod_v_~i~0_185_62_120)) (.cse36 (* 8 aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182)) (.cse19 (* 3 aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169)) (.cse22 (* 4 aux_div_aux_mod_aux_mod_v_~j~0_160_75_157_231)) (.cse24 (* 3 aux_div_v_~j~0_159_64)) (.cse34 (* 4 aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44)) (.cse41 (+ aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217 1))) (and (<= (+ .cse18 .cse19) (+ .cse20 .cse21)) (< aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182 4) (< (+ .cse22 .cse23 .cse24) (+ .cse19 .cse25 4)) (<= .cse26 (+ .cse20 .cse27 .cse28)) (< (+ .cse26 .cse24) (+ (* 6 aux_div_v_~j~0_160_75) .cse29 .cse23)) (< .cse26 (+ .cse23 2 .cse28 (* 6 aux_div_aux_mod_aux_mod_v_~j~0_160_75_157_231))) (<= (+ .cse19 .cse26) (+ .cse20 .cse29 .cse30)) (< (+ .cse31 .cse24) (+ .cse23 .cse19 .cse32 4)) (< aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140 (+ aux_div_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203 1)) (< .cse31 (+ .cse33 8)) (< 0 (+ aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 1 .cse34)) (< (+ .cse26 .cse35 .cse36) (+ .cse22 .cse23 .cse19 .cse37 1)) (< aux_div_aux_mod_v_~i~0_185_62_120 (+ aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 1 .cse34)) (< (+ .cse38 .cse39 2 .cse36) .cse40) (< aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_548_355 .cse41) (<= 0 aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182) (< .cse24 (+ (* 6 aux_div_aux_mod_v_~i~0_185_62_120) 6)) (< aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140 4) (< aux_div_aux_mod_aux_mod_v_~j~0_160_75_157_231 (+ aux_div_aux_mod_v_~j~0_160_75_157 1)) (< aux_div_v_~j~0_160_75 .cse41) (<= (+ .cse42 .cse37) (+ aux_div_aux_mod_aux_mod_v_~j~0_159_64_113_140 .cse21 2 .cse35 .cse36)) (<= 0 (+ aux_div_aux_mod_v_~i~0_185_62_120 .cse34)) (<= .cse43 (+ .cse29 .cse30 .cse44 .cse35)) (<= aux_div_aux_div_aux_mod_v_~j~0_158_43_88_44 1) (< (+ .cse26 .cse24 .cse35 .cse36 1) .cse45) (< aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_548_355 2) (< (+ .cse22 .cse24) (+ 5 .cse19 .cse32)) (< aux_div_~i~0_121 (+ aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245 1)) (< (+ .cse22 .cse38 .cse39 .cse23) (+ .cse19 .cse44 .cse26 .cse35 4)) (<= .cse43 (+ .cse19 .cse44 .cse27 .cse28 .cse35)) (<= 0 aux_mod_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_140) (<= (+ 2 .cse26 .cse24) (+ .cse29 .cse30 .cse25)) (< .cse40 (+ .cse38 .cse39 6 .cse36)) (<= (+ .cse18 2 .cse24) (+ .cse21 .cse25)) (< (+ 2 .cse26 .cse24 .cse35 .cse36) (+ .cse42 .cse25 .cse37)) (< (+ .cse19 .cse44 .cse26 .cse35) (+ .cse20 .cse38 .cse39 4)) (<= (+ .cse31 .cse19 .cse37) (+ 6 .cse26 .cse35 .cse36)) (< (div (+ (- 3) (* aux_div_v_~j~0_159_64 3)) (- 2)) (+ (div (+ 8 (* aux_div_aux_mod_aux_mod_aux_mod_v_~j~0_159_64_113_140_169 (- 3))) 2) 1)) (<= (+ (* 8 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217) .cse39 .cse24) (+ .cse44 .cse26 .cse35 4)) (<= (+ .cse33 .cse24) (+ 2 .cse19 .cse25)) (< .cse45 (+ .cse26 .cse24 .cse35 10 .cse36)) (< (+ .cse19 .cse32) (+ .cse22 6 .cse24)) (< (+ aux_div_v_~j~0_159_64 .cse34) (+ aux_div_aux_mod_v_~i~0_185_62_120 5)) (< aux_div_aux_div_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_~i~0_121_63_93_203_217_245_339_342_182 .cse41))))))) is different from false [2021-10-22 09:49:38,697 WARN L207 SmtUtils]: Spent 9.65 s on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2021-10-22 09:50:01,200 WARN L207 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2021-10-22 09:51:05,041 WARN L224 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-22 09:51:05,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-22 09:51:05,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2021-10-22 09:51:05,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-10-22 09:51:05,243 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:132) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.next(NestedIterator.java:94) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEachOrdered(ReferencePipeline.java:502) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:198) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:127) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:91) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:235) ... 58 more [2021-10-22 09:51:05,245 INFO L168 Benchmark]: Toolchain (without parser) took 680672.93 ms. Allocated memory was 186.6 MB in the beginning and 868.2 MB in the end (delta: 681.6 MB). Free memory was 135.3 MB in the beginning and 196.4 MB in the end (delta: -61.1 MB). Peak memory consumption was 621.3 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,246 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 09:51:05,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.84 ms. Allocated memory is still 186.6 MB. Free memory was 135.0 MB in the beginning and 153.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.20 ms. Allocated memory is still 186.6 MB. Free memory was 153.4 MB in the beginning and 151.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,246 INFO L168 Benchmark]: Boogie Preprocessor took 15.25 ms. Allocated memory is still 186.6 MB. Free memory was 151.6 MB in the beginning and 150.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,246 INFO L168 Benchmark]: RCFGBuilder took 343.83 ms. Allocated memory is still 186.6 MB. Free memory was 150.2 MB in the beginning and 128.7 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,247 INFO L168 Benchmark]: TraceAbstraction took 679944.39 ms. Allocated memory was 186.6 MB in the beginning and 868.2 MB in the end (delta: 681.6 MB). Free memory was 128.2 MB in the beginning and 196.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 613.7 MB. Max. memory is 8.0 GB. [2021-10-22 09:51:05,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 336.84 ms. Allocated memory is still 186.6 MB. Free memory was 135.0 MB in the beginning and 153.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.20 ms. Allocated memory is still 186.6 MB. Free memory was 153.4 MB in the beginning and 151.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.25 ms. Allocated memory is still 186.6 MB. Free memory was 151.6 MB in the beginning and 150.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 343.83 ms. Allocated memory is still 186.6 MB. Free memory was 150.2 MB in the beginning and 128.7 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 679944.39 ms. Allocated memory was 186.6 MB in the beginning and 868.2 MB in the end (delta: 681.6 MB). Free memory was 128.2 MB in the beginning and 196.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 613.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-22 09:51:05,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...