/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:42:29,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:42:29,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:42:29,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 22:42:29,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 22:42:29,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 22:42:29,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 22:42:29,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 22:42:29,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 22:42:29,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 22:42:29,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 22:42:29,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 22:42:29,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:42:29,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:42:29,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:42:29,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:42:29,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:42:29,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:42:29,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:42:29,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:42:29,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:42:29,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:42:29,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:42:29,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:42:29,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 22:42:29,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 22:42:29,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 22:42:29,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 22:42:29,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 22:42:29,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 22:42:29,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 22:42:29,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 22:42:29,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 22:42:29,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:42:29,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:42:29,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:42:29,555 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-FA-NoLbe.epf [2022-02-10 22:42:29,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:42:29,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:42:29,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:42:29,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:42:29,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:42:29,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:42:29,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:42:29,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:42:29,581 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:42:29,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:42:29,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:42:29,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:42:29,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:42:29,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:42:29,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:42:29,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:42:29,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:42:29,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:42:29,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:42:29,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:42:29,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:42:29,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:42:29,765 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:42:29,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-02-10 22:42:29,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a2db89a/7fb669f1d5614d72b2cb24f042cd2511/FLAG97c451d02 [2022-02-10 22:42:30,225 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:42:30,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-02-10 22:42:30,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a2db89a/7fb669f1d5614d72b2cb24f042cd2511/FLAG97c451d02 [2022-02-10 22:42:30,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81a2db89a/7fb669f1d5614d72b2cb24f042cd2511 [2022-02-10 22:42:30,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:42:30,252 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:42:30,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:42:30,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:42:30,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:42:30,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1519e7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30, skipping insertion in model container [2022-02-10 22:42:30,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:42:30,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:42:30,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-02-10 22:42:30,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:42:30,441 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:42:30,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-02-10 22:42:30,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:42:30,478 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:42:30,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30 WrapperNode [2022-02-10 22:42:30,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:42:30,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:42:30,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:42:30,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:42:30,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,517 INFO L137 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 456 [2022-02-10 22:42:30,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:42:30,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:42:30,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:42:30,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:42:30,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:42:30,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:42:30,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:42:30,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:42:30,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (1/1) ... [2022-02-10 22:42:30,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:42:30,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:42:30,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 22:42:30,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 22:42:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:42:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:42:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:42:30,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 22:42:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 22:42:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 22:42:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-10 22:42:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 22:42:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-10 22:42:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:42:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:42:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:42:30,632 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:42:30,710 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:42:30,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:42:31,142 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:42:31,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:42:31,357 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-02-10 22:42:31,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:42:31 BoogieIcfgContainer [2022-02-10 22:42:31,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:42:31,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:42:31,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:42:31,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:42:31,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:42:30" (1/3) ... [2022-02-10 22:42:31,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdf29a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:42:31, skipping insertion in model container [2022-02-10 22:42:31,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:42:30" (2/3) ... [2022-02-10 22:42:31,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cdf29a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:42:31, skipping insertion in model container [2022-02-10 22:42:31,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:42:31" (3/3) ... [2022-02-10 22:42:31,371 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2022-02-10 22:42:31,378 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:42:31,379 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:42:31,379 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:42:31,379 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:42:31,440 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,440 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,441 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,441 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,442 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,443 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,444 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,444 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,444 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,444 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,445 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,445 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,446 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,446 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,446 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,447 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,448 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,449 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,449 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,449 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,449 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,449 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,450 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,450 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,450 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,450 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,451 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,451 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,451 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,451 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,451 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,452 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,453 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,453 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,453 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,453 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,454 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,455 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,455 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,455 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,455 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,455 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,456 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,456 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,457 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,458 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,459 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,460 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,461 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,461 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,461 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,461 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,461 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,477 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,477 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,477 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,477 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,477 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,478 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,479 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,479 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,479 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,479 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,479 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,481 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,481 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,481 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,482 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,482 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,482 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,482 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,482 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,483 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,484 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,485 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,486 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,486 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,486 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,486 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,487 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,488 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,488 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,488 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,488 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,488 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,489 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,494 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,495 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,495 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,495 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,496 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,497 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,498 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,499 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,499 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,499 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,499 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,499 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,500 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,504 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,504 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,504 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,505 WARN L322 ript$VariableManager]: TermVariable |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:42:31,509 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-10 22:42:31,552 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:42:31,559 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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 [2022-02-10 22:42:31,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 22:42:31,573 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 316 places, 328 transitions, 688 flow [2022-02-10 22:42:32,789 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:33,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-02-10 22:42:33,108 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:33,109 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:33,110 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:33,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1144100615, now seen corresponding path program 1 times [2022-02-10 22:42:33,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:33,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161285926] [2022-02-10 22:42:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:33,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:33,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:33,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161285926] [2022-02-10 22:42:33,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161285926] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:33,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:33,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 22:42:33,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847254023] [2022-02-10 22:42:33,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:33,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-10 22:42:33,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:33,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-10 22:42:33,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:42:33,457 INFO L87 Difference]: Start difference. First operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 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) Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:34,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:34,084 INFO L93 Difference]: Finished difference Result 31808 states and 144036 transitions. [2022-02-10 22:42:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 22:42:34,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) Word has length 233 [2022-02-10 22:42:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:34,516 INFO L225 Difference]: With dead ends: 31808 [2022-02-10 22:42:34,516 INFO L226 Difference]: Without dead ends: 31799 [2022-02-10 22:42:34,517 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-10 22:42:34,520 INFO L934 BasicCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:34,521 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:34,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31799 states. [2022-02-10 22:42:35,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31799 to 31799. [2022-02-10 22:42:35,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31799 states, 31798 states have (on average 4.529435813573181) internal successors, (144027), 31798 states have internal predecessors, (144027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31799 states to 31799 states and 144027 transitions. [2022-02-10 22:42:36,284 INFO L78 Accepts]: Start accepts. Automaton has 31799 states and 144027 transitions. Word has length 233 [2022-02-10 22:42:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:36,286 INFO L470 AbstractCegarLoop]: Abstraction has 31799 states and 144027 transitions. [2022-02-10 22:42:36,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 31799 states and 144027 transitions. [2022-02-10 22:42:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-02-10 22:42:36,428 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:36,428 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:36,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:42:36,429 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:36,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:36,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1544914677, now seen corresponding path program 1 times [2022-02-10 22:42:36,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:36,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200773918] [2022-02-10 22:42:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:36,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:36,869 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:36,869 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200773918] [2022-02-10 22:42:36,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200773918] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:36,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:36,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:42:36,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656446684] [2022-02-10 22:42:36,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:36,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:42:36,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:36,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:42:36,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:42:36,872 INFO L87 Difference]: Start difference. First operand 31799 states and 144027 transitions. Second operand has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:37,574 INFO L93 Difference]: Finished difference Result 46543 states and 210623 transitions. [2022-02-10 22:42:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:42:37,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 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) Word has length 237 [2022-02-10 22:42:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:38,032 INFO L225 Difference]: With dead ends: 46543 [2022-02-10 22:42:38,032 INFO L226 Difference]: Without dead ends: 45261 [2022-02-10 22:42:38,034 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:42:38,036 INFO L934 BasicCegarLoop]: 263 mSDtfsCounter, 41 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:38,036 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 836 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:38,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45261 states. [2022-02-10 22:42:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45261 to 34418. [2022-02-10 22:42:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34418 states, 34417 states have (on average 4.514251677949851) internal successors, (155367), 34417 states have internal predecessors, (155367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34418 states to 34418 states and 155367 transitions. [2022-02-10 22:42:39,796 INFO L78 Accepts]: Start accepts. Automaton has 34418 states and 155367 transitions. Word has length 237 [2022-02-10 22:42:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:39,799 INFO L470 AbstractCegarLoop]: Abstraction has 34418 states and 155367 transitions. [2022-02-10 22:42:39,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 34418 states and 155367 transitions. [2022-02-10 22:42:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-02-10 22:42:39,918 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:39,918 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:39,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:42:39,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:39,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1719810959, now seen corresponding path program 1 times [2022-02-10 22:42:39,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:39,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797723951] [2022-02-10 22:42:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:42:40,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:40,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797723951] [2022-02-10 22:42:40,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797723951] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:40,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:40,095 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:42:40,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020090696] [2022-02-10 22:42:40,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:40,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:42:40,096 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:42:40,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:42:40,097 INFO L87 Difference]: Start difference. First operand 34418 states and 155367 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:41,148 INFO L93 Difference]: Finished difference Result 50426 states and 218614 transitions. [2022-02-10 22:42:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:42:41,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 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) Word has length 241 [2022-02-10 22:42:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:41,460 INFO L225 Difference]: With dead ends: 50426 [2022-02-10 22:42:41,461 INFO L226 Difference]: Without dead ends: 34424 [2022-02-10 22:42:41,461 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:42:41,462 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 158 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:41,462 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 1124 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:41,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34424 states. [2022-02-10 22:42:42,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34424 to 34419. [2022-02-10 22:42:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34419 states, 34418 states have (on average 4.514149572897902) internal successors, (155368), 34418 states have internal predecessors, (155368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34419 states to 34419 states and 155368 transitions. [2022-02-10 22:42:43,011 INFO L78 Accepts]: Start accepts. Automaton has 34419 states and 155368 transitions. Word has length 241 [2022-02-10 22:42:43,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:43,011 INFO L470 AbstractCegarLoop]: Abstraction has 34419 states and 155368 transitions. [2022-02-10 22:42:43,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 34419 states and 155368 transitions. [2022-02-10 22:42:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-02-10 22:42:43,122 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:43,122 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:43,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:42:43,123 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:43,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:43,126 INFO L85 PathProgramCache]: Analyzing trace with hash -11465242, now seen corresponding path program 1 times [2022-02-10 22:42:43,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:43,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321198365] [2022-02-10 22:42:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:43,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:42:43,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:43,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321198365] [2022-02-10 22:42:43,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321198365] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:43,750 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:43,750 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:42:43,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656391237] [2022-02-10 22:42:43,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:43,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:42:43,751 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:43,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:42:43,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:43,752 INFO L87 Difference]: Start difference. First operand 34419 states and 155368 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:44,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:44,708 INFO L93 Difference]: Finished difference Result 65982 states and 295834 transitions. [2022-02-10 22:42:44,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:42:44,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) Word has length 248 [2022-02-10 22:42:44,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:45,135 INFO L225 Difference]: With dead ends: 65982 [2022-02-10 22:42:45,135 INFO L226 Difference]: Without dead ends: 61550 [2022-02-10 22:42:45,136 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:45,137 INFO L934 BasicCegarLoop]: 265 mSDtfsCounter, 314 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:45,137 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 398 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61550 states. [2022-02-10 22:42:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61550 to 48377. [2022-02-10 22:42:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48377 states, 48376 states have (on average 4.4872250702827845) internal successors, (217074), 48376 states have internal predecessors, (217074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48377 states to 48377 states and 217074 transitions. [2022-02-10 22:42:47,455 INFO L78 Accepts]: Start accepts. Automaton has 48377 states and 217074 transitions. Word has length 248 [2022-02-10 22:42:47,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:47,456 INFO L470 AbstractCegarLoop]: Abstraction has 48377 states and 217074 transitions. [2022-02-10 22:42:47,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 48377 states and 217074 transitions. [2022-02-10 22:42:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-02-10 22:42:47,582 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:47,582 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:47,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:42:47,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:47,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:47,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1355076614, now seen corresponding path program 1 times [2022-02-10 22:42:47,583 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:47,583 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769528781] [2022-02-10 22:42:47,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:47,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:42:48,022 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:48,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769528781] [2022-02-10 22:42:48,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769528781] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:48,023 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:48,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:42:48,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151283984] [2022-02-10 22:42:48,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:48,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:42:48,023 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:48,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:42:48,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:48,024 INFO L87 Difference]: Start difference. First operand 48377 states and 217074 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:48,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:48,415 INFO L93 Difference]: Finished difference Result 55088 states and 244662 transitions. [2022-02-10 22:42:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:42:48,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) Word has length 248 [2022-02-10 22:42:48,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:48,868 INFO L225 Difference]: With dead ends: 55088 [2022-02-10 22:42:48,868 INFO L226 Difference]: Without dead ends: 52660 [2022-02-10 22:42:48,868 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:48,870 INFO L934 BasicCegarLoop]: 265 mSDtfsCounter, 315 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:48,870 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 439 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:42:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52660 states. [2022-02-10 22:42:50,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52660 to 48063. [2022-02-10 22:42:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48063 states, 48062 states have (on average 4.473659023760975) internal successors, (215013), 48062 states have internal predecessors, (215013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48063 states to 48063 states and 215013 transitions. [2022-02-10 22:42:50,645 INFO L78 Accepts]: Start accepts. Automaton has 48063 states and 215013 transitions. Word has length 248 [2022-02-10 22:42:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:50,649 INFO L470 AbstractCegarLoop]: Abstraction has 48063 states and 215013 transitions. [2022-02-10 22:42:50,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 48063 states and 215013 transitions. [2022-02-10 22:42:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-02-10 22:42:51,044 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:51,045 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:51,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:42:51,045 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:51,045 INFO L85 PathProgramCache]: Analyzing trace with hash -700071462, now seen corresponding path program 1 times [2022-02-10 22:42:51,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:51,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748575640] [2022-02-10 22:42:51,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:51,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:42:51,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:51,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748575640] [2022-02-10 22:42:51,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748575640] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:51,163 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:51,163 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:42:51,163 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039300186] [2022-02-10 22:42:51,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:51,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:42:51,164 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:51,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:42:51,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:51,165 INFO L87 Difference]: Start difference. First operand 48063 states and 215013 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:51,546 INFO L93 Difference]: Finished difference Result 47982 states and 212590 transitions. [2022-02-10 22:42:51,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:42:51,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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) Word has length 248 [2022-02-10 22:42:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:52,008 INFO L225 Difference]: With dead ends: 47982 [2022-02-10 22:42:52,008 INFO L226 Difference]: Without dead ends: 46008 [2022-02-10 22:42:52,009 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:42:52,013 INFO L934 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:52,014 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 480 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:42:52,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46008 states. [2022-02-10 22:42:53,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46008 to 44728. [2022-02-10 22:42:53,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44728 states, 44727 states have (on average 4.4725557269658145) internal successors, (200044), 44727 states have internal predecessors, (200044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44728 states to 44728 states and 200044 transitions. [2022-02-10 22:42:53,710 INFO L78 Accepts]: Start accepts. Automaton has 44728 states and 200044 transitions. Word has length 248 [2022-02-10 22:42:53,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:53,710 INFO L470 AbstractCegarLoop]: Abstraction has 44728 states and 200044 transitions. [2022-02-10 22:42:53,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 44728 states and 200044 transitions. [2022-02-10 22:42:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-02-10 22:42:53,829 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:53,829 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:53,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:42:53,830 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:53,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1116425386, now seen corresponding path program 1 times [2022-02-10 22:42:53,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:53,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290681929] [2022-02-10 22:42:53,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:53,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-10 22:42:53,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:53,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290681929] [2022-02-10 22:42:53,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290681929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:53,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:53,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:42:53,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494958795] [2022-02-10 22:42:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:53,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:42:53,905 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:53,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:42:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:42:53,906 INFO L87 Difference]: Start difference. First operand 44728 states and 200044 transitions. Second operand has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:54,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:54,623 INFO L93 Difference]: Finished difference Result 62109 states and 272750 transitions. [2022-02-10 22:42:54,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:42:54,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 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) Word has length 252 [2022-02-10 22:42:54,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:55,001 INFO L225 Difference]: With dead ends: 62109 [2022-02-10 22:42:55,002 INFO L226 Difference]: Without dead ends: 44734 [2022-02-10 22:42:55,002 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:42:55,005 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 243 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:55,006 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 888 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:55,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44734 states. [2022-02-10 22:42:55,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44734 to 44729. [2022-02-10 22:42:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44729 states, 44728 states have (on average 4.472478089787158) internal successors, (200045), 44728 states have internal predecessors, (200045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44729 states to 44729 states and 200045 transitions. [2022-02-10 22:42:56,499 INFO L78 Accepts]: Start accepts. Automaton has 44729 states and 200045 transitions. Word has length 252 [2022-02-10 22:42:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:56,500 INFO L470 AbstractCegarLoop]: Abstraction has 44729 states and 200045 transitions. [2022-02-10 22:42:56,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 44729 states and 200045 transitions. [2022-02-10 22:42:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-02-10 22:42:56,607 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:56,614 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:56,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:42:56,614 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:56,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1036904233, now seen corresponding path program 1 times [2022-02-10 22:42:56,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:56,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619009707] [2022-02-10 22:42:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:56,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-10 22:42:56,710 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:56,710 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619009707] [2022-02-10 22:42:56,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619009707] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:56,711 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:56,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:42:56,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251200038] [2022-02-10 22:42:56,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:56,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:42:56,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:56,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:42:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:42:56,712 INFO L87 Difference]: Start difference. First operand 44729 states and 200045 transitions. Second operand has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:42:57,532 INFO L93 Difference]: Finished difference Result 52430 states and 230310 transitions. [2022-02-10 22:42:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 22:42:57,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 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) Word has length 259 [2022-02-10 22:42:57,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:42:57,798 INFO L225 Difference]: With dead ends: 52430 [2022-02-10 22:42:57,799 INFO L226 Difference]: Without dead ends: 44735 [2022-02-10 22:42:57,799 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:42:57,799 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 276 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:42:57,800 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 853 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:42:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44735 states. [2022-02-10 22:42:59,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44735 to 44730. [2022-02-10 22:42:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44730 states, 44729 states have (on average 4.472400456079948) internal successors, (200046), 44729 states have internal predecessors, (200046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44730 states to 44730 states and 200046 transitions. [2022-02-10 22:42:59,324 INFO L78 Accepts]: Start accepts. Automaton has 44730 states and 200046 transitions. Word has length 259 [2022-02-10 22:42:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:42:59,324 INFO L470 AbstractCegarLoop]: Abstraction has 44730 states and 200046 transitions. [2022-02-10 22:42:59,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:42:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 44730 states and 200046 transitions. [2022-02-10 22:42:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-02-10 22:42:59,423 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:42:59,423 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:42:59,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:42:59,424 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:42:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:42:59,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1071293024, now seen corresponding path program 1 times [2022-02-10 22:42:59,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:42:59,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775601396] [2022-02-10 22:42:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:42:59,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:42:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:42:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:42:59,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:42:59,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775601396] [2022-02-10 22:42:59,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775601396] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:42:59,747 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:42:59,747 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:42:59,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178608194] [2022-02-10 22:42:59,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:42:59,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:42:59,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:42:59,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:42:59,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:42:59,748 INFO L87 Difference]: Start difference. First operand 44730 states and 200046 transitions. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:00,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:00,279 INFO L93 Difference]: Finished difference Result 54573 states and 239482 transitions. [2022-02-10 22:43:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:43:00,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 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) Word has length 266 [2022-02-10 22:43:00,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:00,735 INFO L225 Difference]: With dead ends: 54573 [2022-02-10 22:43:00,735 INFO L226 Difference]: Without dead ends: 44736 [2022-02-10 22:43:00,735 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-02-10 22:43:00,736 INFO L934 BasicCegarLoop]: 257 mSDtfsCounter, 596 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:00,736 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 758 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:43:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44736 states. [2022-02-10 22:43:01,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44736 to 44731. [2022-02-10 22:43:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44731 states, 44730 states have (on average 4.4723228258439525) internal successors, (200047), 44730 states have internal predecessors, (200047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44731 states to 44731 states and 200047 transitions. [2022-02-10 22:43:02,254 INFO L78 Accepts]: Start accepts. Automaton has 44731 states and 200047 transitions. Word has length 266 [2022-02-10 22:43:02,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:02,254 INFO L470 AbstractCegarLoop]: Abstraction has 44731 states and 200047 transitions. [2022-02-10 22:43:02,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 44731 states and 200047 transitions. [2022-02-10 22:43:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-02-10 22:43:02,373 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:02,374 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:02,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 22:43:02,375 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:02,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash -816124793, now seen corresponding path program 1 times [2022-02-10 22:43:02,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:02,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627990807] [2022-02-10 22:43:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:43:02,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:02,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627990807] [2022-02-10 22:43:02,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627990807] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:43:02,523 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:43:02,523 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 22:43:02,523 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298756861] [2022-02-10 22:43:02,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:43:02,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 22:43:02,524 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:02,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 22:43:02,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:43:02,524 INFO L87 Difference]: Start difference. First operand 44731 states and 200047 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:02,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:02,787 INFO L93 Difference]: Finished difference Result 33465 states and 150464 transitions. [2022-02-10 22:43:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 22:43:02,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) Word has length 273 [2022-02-10 22:43:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:03,243 INFO L225 Difference]: With dead ends: 33465 [2022-02-10 22:43:03,243 INFO L226 Difference]: Without dead ends: 31113 [2022-02-10 22:43:03,243 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 22:43:03,244 INFO L934 BasicCegarLoop]: 265 mSDtfsCounter, 39 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:03,244 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 345 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:43:03,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31113 states. [2022-02-10 22:43:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31113 to 31113. [2022-02-10 22:43:04,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31113 states, 31112 states have (on average 4.523913602468501) internal successors, (140748), 31112 states have internal predecessors, (140748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31113 states to 31113 states and 140748 transitions. [2022-02-10 22:43:04,184 INFO L78 Accepts]: Start accepts. Automaton has 31113 states and 140748 transitions. Word has length 273 [2022-02-10 22:43:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:04,184 INFO L470 AbstractCegarLoop]: Abstraction has 31113 states and 140748 transitions. [2022-02-10 22:43:04,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 31113 states and 140748 transitions. [2022-02-10 22:43:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-02-10 22:43:04,258 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:04,258 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:04,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:43:04,259 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:04,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:04,259 INFO L85 PathProgramCache]: Analyzing trace with hash 593720945, now seen corresponding path program 1 times [2022-02-10 22:43:04,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:04,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276264806] [2022-02-10 22:43:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:43:04,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:04,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276264806] [2022-02-10 22:43:04,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276264806] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:43:04,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:43:04,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-10 22:43:04,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499625199] [2022-02-10 22:43:04,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:43:04,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-10 22:43:04,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:04,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-10 22:43:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:43:04,469 INFO L87 Difference]: Start difference. First operand 31113 states and 140748 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:05,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:05,681 INFO L93 Difference]: Finished difference Result 85771 states and 388494 transitions. [2022-02-10 22:43:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-10 22:43:05,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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) Word has length 277 [2022-02-10 22:43:05,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:06,256 INFO L225 Difference]: With dead ends: 85771 [2022-02-10 22:43:06,256 INFO L226 Difference]: Without dead ends: 81515 [2022-02-10 22:43:06,256 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-10 22:43:06,262 INFO L934 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:06,262 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 449 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:43:06,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81515 states. [2022-02-10 22:43:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81515 to 61097. [2022-02-10 22:43:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61097 states, 61096 states have (on average 4.58969490637685) internal successors, (280412), 61096 states have internal predecessors, (280412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61097 states to 61097 states and 280412 transitions. [2022-02-10 22:43:08,869 INFO L78 Accepts]: Start accepts. Automaton has 61097 states and 280412 transitions. Word has length 277 [2022-02-10 22:43:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:08,870 INFO L470 AbstractCegarLoop]: Abstraction has 61097 states and 280412 transitions. [2022-02-10 22:43:08,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:08,870 INFO L276 IsEmpty]: Start isEmpty. Operand 61097 states and 280412 transitions. [2022-02-10 22:43:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-02-10 22:43:09,037 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:09,037 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:09,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:43:09,037 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash 962888089, now seen corresponding path program 1 times [2022-02-10 22:43:09,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:09,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508088742] [2022-02-10 22:43:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:09,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:43:09,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:09,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508088742] [2022-02-10 22:43:09,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508088742] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:43:09,200 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742031334] [2022-02-10 22:43:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:09,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:43:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:43:09,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:43:09,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-10 22:43:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:09,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-10 22:43:09,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:43:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:43:10,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:43:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-10 22:43:10,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742031334] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:43:10,681 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:43:10,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-10 22:43:10,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218665233] [2022-02-10 22:43:10,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:43:10,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-10 22:43:10,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-10 22:43:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-02-10 22:43:10,683 INFO L87 Difference]: Start difference. First operand 61097 states and 280412 transitions. Second operand has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:11,741 INFO L93 Difference]: Finished difference Result 64053 states and 290343 transitions. [2022-02-10 22:43:11,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 22:43:11,742 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 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) Word has length 285 [2022-02-10 22:43:11,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:12,245 INFO L225 Difference]: With dead ends: 64053 [2022-02-10 22:43:12,245 INFO L226 Difference]: Without dead ends: 61109 [2022-02-10 22:43:12,245 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2022-02-10 22:43:12,246 INFO L934 BasicCegarLoop]: 267 mSDtfsCounter, 1185 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:12,246 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 2427 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:43:12,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61109 states. [2022-02-10 22:43:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61109 to 61104. [2022-02-10 22:43:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61104 states, 61103 states have (on average 4.589283668559645) internal successors, (280419), 61103 states have internal predecessors, (280419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61104 states to 61104 states and 280419 transitions. [2022-02-10 22:43:14,544 INFO L78 Accepts]: Start accepts. Automaton has 61104 states and 280419 transitions. Word has length 285 [2022-02-10 22:43:14,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:14,544 INFO L470 AbstractCegarLoop]: Abstraction has 61104 states and 280419 transitions. [2022-02-10 22:43:14,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 61104 states and 280419 transitions. [2022-02-10 22:43:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-02-10 22:43:14,724 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:14,725 INFO L515 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:14,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-10 22:43:14,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-10 22:43:14,940 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:14,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:14,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1050514064, now seen corresponding path program 2 times [2022-02-10 22:43:14,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:14,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614251483] [2022-02-10 22:43:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:14,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:43:15,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:15,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614251483] [2022-02-10 22:43:15,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614251483] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:43:15,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242519939] [2022-02-10 22:43:15,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 22:43:15,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:43:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:43:15,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:43:15,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 22:43:15,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 22:43:15,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:43:15,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-10 22:43:15,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:43:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:43:15,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:43:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-10 22:43:16,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242519939] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:43:16,551 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:43:16,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-02-10 22:43:16,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080317572] [2022-02-10 22:43:16,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:43:16,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-10 22:43:16,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-10 22:43:16,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-02-10 22:43:16,553 INFO L87 Difference]: Start difference. First operand 61104 states and 280419 transitions. Second operand has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:17,992 INFO L93 Difference]: Finished difference Result 64604 states and 292102 transitions. [2022-02-10 22:43:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-10 22:43:17,993 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 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) Word has length 292 [2022-02-10 22:43:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:18,519 INFO L225 Difference]: With dead ends: 64604 [2022-02-10 22:43:18,520 INFO L226 Difference]: Without dead ends: 61116 [2022-02-10 22:43:18,520 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=426, Invalid=1644, Unknown=0, NotChecked=0, Total=2070 [2022-02-10 22:43:18,521 INFO L934 BasicCegarLoop]: 276 mSDtfsCounter, 1515 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:18,521 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1515 Valid, 2849 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 22:43:18,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61116 states. [2022-02-10 22:43:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61116 to 61111. [2022-02-10 22:43:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61111 states, 61110 states have (on average 4.588872524954999) internal successors, (280426), 61110 states have internal predecessors, (280426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61111 states to 61111 states and 280426 transitions. [2022-02-10 22:43:20,888 INFO L78 Accepts]: Start accepts. Automaton has 61111 states and 280426 transitions. Word has length 292 [2022-02-10 22:43:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:20,889 INFO L470 AbstractCegarLoop]: Abstraction has 61111 states and 280426 transitions. [2022-02-10 22:43:20,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 61111 states and 280426 transitions. [2022-02-10 22:43:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-02-10 22:43:21,096 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:21,097 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:21,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-10 22:43:21,311 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,SelfDestructingSolverStorable12 [2022-02-10 22:43:21,312 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:21,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1525493319, now seen corresponding path program 3 times [2022-02-10 22:43:21,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:21,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959172585] [2022-02-10 22:43:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:21,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-10 22:43:21,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:21,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959172585] [2022-02-10 22:43:21,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959172585] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:43:21,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827189996] [2022-02-10 22:43:21,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 22:43:21,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:43:21,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:43:21,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:43:21,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 22:43:21,782 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-10 22:43:21,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 22:43:21,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-10 22:43:21,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:43:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-10 22:43:22,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:43:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-10 22:43:22,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827189996] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:43:22,880 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:43:22,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 18 [2022-02-10 22:43:22,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323354798] [2022-02-10 22:43:22,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:43:22,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-10 22:43:22,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:22,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-10 22:43:22,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-02-10 22:43:22,882 INFO L87 Difference]: Start difference. First operand 61111 states and 280426 transitions. Second operand has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:25,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:25,733 INFO L93 Difference]: Finished difference Result 194498 states and 871421 transitions. [2022-02-10 22:43:25,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-10 22:43:25,733 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 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) Word has length 299 [2022-02-10 22:43:25,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:27,228 INFO L225 Difference]: With dead ends: 194498 [2022-02-10 22:43:27,228 INFO L226 Difference]: Without dead ends: 164273 [2022-02-10 22:43:27,229 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2022-02-10 22:43:27,229 INFO L934 BasicCegarLoop]: 288 mSDtfsCounter, 2413 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:27,229 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [2413 Valid, 2333 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-10 22:43:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164273 states. [2022-02-10 22:43:32,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164273 to 112106. [2022-02-10 22:43:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112106 states, 112105 states have (on average 4.703376299005397) internal successors, (527272), 112105 states have internal predecessors, (527272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112106 states to 112106 states and 527272 transitions. [2022-02-10 22:43:33,938 INFO L78 Accepts]: Start accepts. Automaton has 112106 states and 527272 transitions. Word has length 299 [2022-02-10 22:43:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:43:33,939 INFO L470 AbstractCegarLoop]: Abstraction has 112106 states and 527272 transitions. [2022-02-10 22:43:33,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 112106 states and 527272 transitions. [2022-02-10 22:43:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-02-10 22:43:34,351 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:43:34,352 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:43:34,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-10 22:43:34,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:43:34,572 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:43:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:43:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1770452744, now seen corresponding path program 1 times [2022-02-10 22:43:34,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:43:34,572 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450762886] [2022-02-10 22:43:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:43:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-02-10 22:43:35,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:43:35,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450762886] [2022-02-10 22:43:35,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450762886] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:43:35,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130486850] [2022-02-10 22:43:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:43:35,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:43:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:43:35,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:43:35,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 22:43:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:43:35,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-10 22:43:35,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:43:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-10 22:43:36,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:43:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-02-10 22:43:37,102 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130486850] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:43:37,102 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:43:37,102 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2022-02-10 22:43:37,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004615620] [2022-02-10 22:43:37,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:43:37,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-10 22:43:37,103 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:43:37,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-10 22:43:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-02-10 22:43:37,104 INFO L87 Difference]: Start difference. First operand 112106 states and 527272 transitions. Second operand has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:43:46,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:43:46,804 INFO L93 Difference]: Finished difference Result 418986 states and 1958561 transitions. [2022-02-10 22:43:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-10 22:43:46,805 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 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) Word has length 306 [2022-02-10 22:43:46,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:43:52,263 INFO L225 Difference]: With dead ends: 418986 [2022-02-10 22:43:52,264 INFO L226 Difference]: Without dead ends: 378226 [2022-02-10 22:43:52,266 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2022-02-10 22:43:52,267 INFO L934 BasicCegarLoop]: 276 mSDtfsCounter, 1362 mSDsluCounter, 2320 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 22:43:52,283 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 2399 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 22:43:53,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378226 states. [2022-02-10 22:44:07,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378226 to 225218. [2022-02-10 22:44:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225218 states, 225217 states have (on average 4.786028585763952) internal successors, (1077895), 225217 states have internal predecessors, (1077895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225218 states to 225218 states and 1077895 transitions. [2022-02-10 22:44:09,715 INFO L78 Accepts]: Start accepts. Automaton has 225218 states and 1077895 transitions. Word has length 306 [2022-02-10 22:44:09,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:44:09,731 INFO L470 AbstractCegarLoop]: Abstraction has 225218 states and 1077895 transitions. [2022-02-10 22:44:09,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:44:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 225218 states and 1077895 transitions. [2022-02-10 22:44:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-02-10 22:44:10,799 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:44:10,799 INFO L515 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:44:10,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 22:44:11,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-10 22:44:11,022 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 22:44:11,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:44:11,035 INFO L85 PathProgramCache]: Analyzing trace with hash -427121386, now seen corresponding path program 1 times [2022-02-10 22:44:11,035 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:44:11,035 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092825287] [2022-02-10 22:44:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:44:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:21,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:21,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:44:21,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092825287] [2022-02-10 22:44:21,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092825287] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 22:44:21,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104582483] [2022-02-10 22:44:21,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:44:21,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 22:44:21,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:44:21,707 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 22:44:21,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 22:44:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:44:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 166 conjunts are in the unsatisfiable core [2022-02-10 22:44:21,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 22:44:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:44:35,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 22:44:41,746 INFO L353 Elim1Store]: treesize reduction 237, result has 80.6 percent of original size [2022-02-10 22:44:41,747 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 204 treesize of output 1027 [2022-02-10 22:45:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:45:29,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104582483] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 22:45:29,280 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 22:45:29,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 69, 53] total 184 [2022-02-10 22:45:29,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174572968] [2022-02-10 22:45:29,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 22:45:29,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2022-02-10 22:45:29,282 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:45:29,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2022-02-10 22:45:29,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3859, Invalid=29813, Unknown=0, NotChecked=0, Total=33672 [2022-02-10 22:45:29,289 INFO L87 Difference]: Start difference. First operand 225218 states and 1077895 transitions. Second operand has 184 states, 184 states have (on average 4.505434782608695) internal successors, (829), 184 states have internal predecessors, (829), 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)