/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/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:26:18,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:26:18,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:26:18,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 22:26:18,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 22:26:18,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 22:26:18,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 22:26:18,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 22:26:18,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 22:26:18,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 22:26:18,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 22:26:18,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 22:26:18,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:26:18,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:26:18,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:26:18,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:26:18,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:26:18,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:26:18,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:26:18,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:26:18,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:26:18,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:26:18,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:26:18,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:26:18,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 22:26:18,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 22:26:18,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 22:26:18,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 22:26:18,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 22:26:18,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 22:26:18,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 22:26:18,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 22:26:18,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 22:26:18,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 22:26:18,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 22:26:18,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 22:26:18,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 22:26:18,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 22:26:18,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:26:18,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:26:18,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:26:18,546 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 22:26:18,568 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:26:18,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:26:18,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:26:18,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:26:18,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:26:18,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:26:18,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:26:18,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:26:18,569 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:26:18,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:26:18,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:26:18,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:26:18,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:26:18,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:26:18,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:26:18,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:26:18,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:26:18,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:26:18,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:26:18,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:26:18,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:26:18,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:26:18,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:26:18,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:26:18,775 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:26:18,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-02-10 22:26:18,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81091d252/75253c37e2404657a1df3f5d9c1ccb35/FLAGbfaede162 [2022-02-10 22:26:19,172 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:26:19,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2022-02-10 22:26:19,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81091d252/75253c37e2404657a1df3f5d9c1ccb35/FLAGbfaede162 [2022-02-10 22:26:19,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81091d252/75253c37e2404657a1df3f5d9c1ccb35 [2022-02-10 22:26:19,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:26:19,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:26:19,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:26:19,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:26:19,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:26:19,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d868fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19, skipping insertion in model container [2022-02-10 22:26:19,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:26:19,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:26:19,339 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/chl-time-symm.wvr.c[2494,2507] [2022-02-10 22:26:19,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:26:19,347 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:26:19,359 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/chl-time-symm.wvr.c[2494,2507] [2022-02-10 22:26:19,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:26:19,369 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:26:19,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19 WrapperNode [2022-02-10 22:26:19,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:26:19,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:26:19,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:26:19,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:26:19,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,415 INFO L137 Inliner]: procedures = 22, calls = 29, calls flagged for inlining = 9, calls inlined = 15, statements flattened = 164 [2022-02-10 22:26:19,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:26:19,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:26:19,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:26:19,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:26:19,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:26:19,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:26:19,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:26:19,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:26:19,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (1/1) ... [2022-02-10 22:26:19,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:26:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:26:19,480 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 22:26:19,503 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 22:26:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 22:26:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 22:26:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:26:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:26:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 22:26:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:26:19,517 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 22:26:19,579 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:26:19,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:26:19,791 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:26:19,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:26:19,946 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 22:26:19,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:26:19 BoogieIcfgContainer [2022-02-10 22:26:19,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:26:19,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:26:19,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:26:19,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:26:19,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:26:19" (1/3) ... [2022-02-10 22:26:19,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bae7ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:26:19, skipping insertion in model container [2022-02-10 22:26:19,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:26:19" (2/3) ... [2022-02-10 22:26:19,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bae7ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:26:19, skipping insertion in model container [2022-02-10 22:26:19,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:26:19" (3/3) ... [2022-02-10 22:26:19,953 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2022-02-10 22:26:19,957 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:26:19,957 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:26:19,957 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 22:26:19,957 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:26:19,993 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,994 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,995 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,996 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,997 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,998 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,998 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,998 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,999 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,999 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,999 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,999 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:19,999 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,000 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,001 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,001 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,001 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,001 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,002 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,003 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,004 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,008 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,009 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,010 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,010 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,010 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,010 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,011 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,011 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,011 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,012 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,013 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,013 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:26:20,016 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 22:26:20,060 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:26:20,064 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 22:26:20,064 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-10 22:26:20,073 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 104 places, 102 transitions, 220 flow [2022-02-10 22:26:20,096 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 168 states, 167 states have (on average 1.6766467065868262) internal successors, (280), 167 states have internal predecessors, (280), 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 22:26:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 167 states have (on average 1.6766467065868262) internal successors, (280), 167 states have internal predecessors, (280), 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 22:26:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-10 22:26:20,105 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:20,105 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] [2022-02-10 22:26:20,105 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:20,109 INFO L85 PathProgramCache]: Analyzing trace with hash -342014121, now seen corresponding path program 1 times [2022-02-10 22:26:20,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:20,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738999032] [2022-02-10 22:26:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:20,417 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 22:26:20,417 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:20,417 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738999032] [2022-02-10 22:26:20,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738999032] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:20,418 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:20,418 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:20,419 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48091820] [2022-02-10 22:26:20,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:20,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:20,422 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:20,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:20,442 INFO L87 Difference]: Start difference. First operand has 168 states, 167 states have (on average 1.6766467065868262) internal successors, (280), 167 states have internal predecessors, (280), 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 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 22:26:20,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:20,600 INFO L93 Difference]: Finished difference Result 269 states and 427 transitions. [2022-02-10 22:26:20,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:26:20,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-02-10 22:26:20,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:20,609 INFO L225 Difference]: With dead ends: 269 [2022-02-10 22:26:20,609 INFO L226 Difference]: Without dead ends: 265 [2022-02-10 22:26:20,610 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:20,612 INFO L934 BasicCegarLoop]: 109 mSDtfsCounter, 131 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:20,613 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 350 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:26:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-02-10 22:26:20,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 217. [2022-02-10 22:26:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.7361111111111112) internal successors, (375), 216 states have internal predecessors, (375), 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 22:26:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 375 transitions. [2022-02-10 22:26:20,655 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 375 transitions. Word has length 77 [2022-02-10 22:26:20,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:20,655 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 375 transitions. [2022-02-10 22:26:20,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 22:26:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 375 transitions. [2022-02-10 22:26:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-10 22:26:20,658 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:20,658 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] [2022-02-10 22:26:20,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:26:20,658 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1794323789, now seen corresponding path program 2 times [2022-02-10 22:26:20,659 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:20,659 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075823122] [2022-02-10 22:26:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:20,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:20,757 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 22:26:20,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:20,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075823122] [2022-02-10 22:26:20,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075823122] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:20,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:20,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:20,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371521385] [2022-02-10 22:26:20,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:20,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:20,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:20,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:20,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:20,760 INFO L87 Difference]: Start difference. First operand 217 states and 375 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 22:26:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:20,880 INFO L93 Difference]: Finished difference Result 246 states and 402 transitions. [2022-02-10 22:26:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:20,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2022-02-10 22:26:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:20,885 INFO L225 Difference]: With dead ends: 246 [2022-02-10 22:26:20,885 INFO L226 Difference]: Without dead ends: 246 [2022-02-10 22:26:20,888 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:20,890 INFO L934 BasicCegarLoop]: 119 mSDtfsCounter, 97 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:20,891 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 326 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:26:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-02-10 22:26:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 169. [2022-02-10 22:26:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.6666666666666667) internal successors, (280), 168 states have internal predecessors, (280), 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 22:26:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 280 transitions. [2022-02-10 22:26:20,906 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 280 transitions. Word has length 77 [2022-02-10 22:26:20,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:20,907 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 280 transitions. [2022-02-10 22:26:20,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 22:26:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 280 transitions. [2022-02-10 22:26:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-10 22:26:20,909 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:20,909 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] [2022-02-10 22:26:20,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:26:20,909 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:20,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2088453203, now seen corresponding path program 1 times [2022-02-10 22:26:20,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:20,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117188759] [2022-02-10 22:26:20,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:20,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:21,040 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 22:26:21,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:21,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117188759] [2022-02-10 22:26:21,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117188759] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:21,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:21,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:26:21,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626029734] [2022-02-10 22:26:21,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:21,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:26:21,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:21,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:26:21,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:26:21,044 INFO L87 Difference]: Start difference. First operand 169 states and 280 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 22:26:21,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:21,131 INFO L93 Difference]: Finished difference Result 176 states and 286 transitions. [2022-02-10 22:26:21,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:21,131 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 79 [2022-02-10 22:26:21,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:21,132 INFO L225 Difference]: With dead ends: 176 [2022-02-10 22:26:21,132 INFO L226 Difference]: Without dead ends: 166 [2022-02-10 22:26:21,133 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:26:21,138 INFO L934 BasicCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:21,140 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 393 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:21,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-02-10 22:26:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-02-10 22:26:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.6727272727272726) internal successors, (276), 165 states have internal predecessors, (276), 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 22:26:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 276 transitions. [2022-02-10 22:26:21,152 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 276 transitions. Word has length 79 [2022-02-10 22:26:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:21,152 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 276 transitions. [2022-02-10 22:26:21,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 22:26:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 276 transitions. [2022-02-10 22:26:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-10 22:26:21,154 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:21,154 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] [2022-02-10 22:26:21,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:26:21,155 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:21,155 INFO L85 PathProgramCache]: Analyzing trace with hash 452518581, now seen corresponding path program 1 times [2022-02-10 22:26:21,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:21,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905096435] [2022-02-10 22:26:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:21,311 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 22:26:21,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:21,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905096435] [2022-02-10 22:26:21,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905096435] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:21,311 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:21,311 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 22:26:21,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488256033] [2022-02-10 22:26:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:21,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 22:26:21,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:21,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 22:26:21,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-10 22:26:21,313 INFO L87 Difference]: Start difference. First operand 166 states and 276 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 22:26:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:21,403 INFO L93 Difference]: Finished difference Result 186 states and 297 transitions. [2022-02-10 22:26:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:21,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 79 [2022-02-10 22:26:21,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:21,406 INFO L225 Difference]: With dead ends: 186 [2022-02-10 22:26:21,406 INFO L226 Difference]: Without dead ends: 180 [2022-02-10 22:26:21,406 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:26:21,412 INFO L934 BasicCegarLoop]: 82 mSDtfsCounter, 41 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:21,413 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 478 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-02-10 22:26:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 168. [2022-02-10 22:26:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.6646706586826348) internal successors, (278), 167 states have internal predecessors, (278), 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 22:26:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 278 transitions. [2022-02-10 22:26:21,418 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 278 transitions. Word has length 79 [2022-02-10 22:26:21,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:21,423 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 278 transitions. [2022-02-10 22:26:21,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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 22:26:21,424 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 278 transitions. [2022-02-10 22:26:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-10 22:26:21,424 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:21,424 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] [2022-02-10 22:26:21,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:26:21,425 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:21,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:21,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1023926035, now seen corresponding path program 1 times [2022-02-10 22:26:21,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:21,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214778337] [2022-02-10 22:26:21,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:21,552 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 22:26:21,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:21,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214778337] [2022-02-10 22:26:21,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214778337] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:21,553 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:21,553 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:21,553 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941499534] [2022-02-10 22:26:21,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:21,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:21,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:21,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:21,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:21,554 INFO L87 Difference]: Start difference. First operand 168 states and 278 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 22:26:21,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:21,635 INFO L93 Difference]: Finished difference Result 250 states and 406 transitions. [2022-02-10 22:26:21,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:21,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2022-02-10 22:26:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:21,636 INFO L225 Difference]: With dead ends: 250 [2022-02-10 22:26:21,636 INFO L226 Difference]: Without dead ends: 250 [2022-02-10 22:26:21,636 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:21,637 INFO L934 BasicCegarLoop]: 104 mSDtfsCounter, 131 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:21,637 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 300 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-02-10 22:26:21,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 217. [2022-02-10 22:26:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.7314814814814814) internal successors, (374), 216 states have internal predecessors, (374), 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 22:26:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 374 transitions. [2022-02-10 22:26:21,641 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 374 transitions. Word has length 79 [2022-02-10 22:26:21,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:21,642 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 374 transitions. [2022-02-10 22:26:21,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 22:26:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 374 transitions. [2022-02-10 22:26:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-10 22:26:21,642 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:21,642 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] [2022-02-10 22:26:21,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:26:21,643 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash -829145783, now seen corresponding path program 2 times [2022-02-10 22:26:21,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:21,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930030220] [2022-02-10 22:26:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:21,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:21,717 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 22:26:21,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:21,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930030220] [2022-02-10 22:26:21,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930030220] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:21,718 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:21,718 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:21,718 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402952288] [2022-02-10 22:26:21,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:21,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:21,718 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:21,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:21,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:21,719 INFO L87 Difference]: Start difference. First operand 217 states and 374 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 22:26:21,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:21,797 INFO L93 Difference]: Finished difference Result 235 states and 391 transitions. [2022-02-10 22:26:21,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:21,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2022-02-10 22:26:21,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:21,798 INFO L225 Difference]: With dead ends: 235 [2022-02-10 22:26:21,798 INFO L226 Difference]: Without dead ends: 235 [2022-02-10 22:26:21,799 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:21,800 INFO L934 BasicCegarLoop]: 111 mSDtfsCounter, 98 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:21,801 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 287 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:21,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-02-10 22:26:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 165. [2022-02-10 22:26:21,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.670731707317073) internal successors, (274), 164 states have internal predecessors, (274), 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 22:26:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 274 transitions. [2022-02-10 22:26:21,805 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 274 transitions. Word has length 79 [2022-02-10 22:26:21,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:21,805 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 274 transitions. [2022-02-10 22:26:21,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 22:26:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 274 transitions. [2022-02-10 22:26:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 22:26:21,812 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:21,812 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] [2022-02-10 22:26:21,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:26:21,813 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:21,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:21,813 INFO L85 PathProgramCache]: Analyzing trace with hash -137505619, now seen corresponding path program 1 times [2022-02-10 22:26:21,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:21,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580887743] [2022-02-10 22:26:21,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:21,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:21,883 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 22:26:21,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:21,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580887743] [2022-02-10 22:26:21,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580887743] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:21,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:21,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:21,883 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386787232] [2022-02-10 22:26:21,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:21,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:21,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:21,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:21,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:21,885 INFO L87 Difference]: Start difference. First operand 165 states and 274 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:21,942 INFO L93 Difference]: Finished difference Result 235 states and 390 transitions. [2022-02-10 22:26:21,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:26:21,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-10 22:26:21,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:21,944 INFO L225 Difference]: With dead ends: 235 [2022-02-10 22:26:21,944 INFO L226 Difference]: Without dead ends: 232 [2022-02-10 22:26:21,944 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 22:26:21,945 INFO L934 BasicCegarLoop]: 90 mSDtfsCounter, 88 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:21,946 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 298 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:21,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-02-10 22:26:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 213. [2022-02-10 22:26:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.7358490566037736) internal successors, (368), 212 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 368 transitions. [2022-02-10 22:26:21,950 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 368 transitions. Word has length 81 [2022-02-10 22:26:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:21,950 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 368 transitions. [2022-02-10 22:26:21,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 368 transitions. [2022-02-10 22:26:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 22:26:21,951 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:21,951 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] [2022-02-10 22:26:21,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:26:21,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:21,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1661573915, now seen corresponding path program 1 times [2022-02-10 22:26:21,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:21,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552548584] [2022-02-10 22:26:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:22,048 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 22:26:22,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:22,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552548584] [2022-02-10 22:26:22,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552548584] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:22,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:22,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:26:22,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146164903] [2022-02-10 22:26:22,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:22,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:26:22,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:22,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:26:22,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:22,050 INFO L87 Difference]: Start difference. First operand 213 states and 368 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:22,135 INFO L93 Difference]: Finished difference Result 233 states and 388 transitions. [2022-02-10 22:26:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-10 22:26:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-10 22:26:22,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:22,137 INFO L225 Difference]: With dead ends: 233 [2022-02-10 22:26:22,137 INFO L226 Difference]: Without dead ends: 226 [2022-02-10 22:26:22,137 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:26:22,137 INFO L934 BasicCegarLoop]: 75 mSDtfsCounter, 38 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:22,138 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 516 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-02-10 22:26:22,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 216. [2022-02-10 22:26:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.7255813953488373) internal successors, (371), 215 states have internal predecessors, (371), 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 22:26:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 371 transitions. [2022-02-10 22:26:22,142 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 371 transitions. Word has length 81 [2022-02-10 22:26:22,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:22,142 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 371 transitions. [2022-02-10 22:26:22,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 371 transitions. [2022-02-10 22:26:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 22:26:22,143 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:22,143 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] [2022-02-10 22:26:22,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:26:22,143 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:22,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:22,144 INFO L85 PathProgramCache]: Analyzing trace with hash -275806269, now seen corresponding path program 1 times [2022-02-10 22:26:22,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:22,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443736850] [2022-02-10 22:26:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:22,207 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 22:26:22,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:22,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443736850] [2022-02-10 22:26:22,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443736850] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:22,207 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:22,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:22,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930884382] [2022-02-10 22:26:22,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:22,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:22,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:22,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:22,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:22,209 INFO L87 Difference]: Start difference. First operand 216 states and 371 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:22,269 INFO L93 Difference]: Finished difference Result 233 states and 386 transitions. [2022-02-10 22:26:22,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 22:26:22,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-10 22:26:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:22,270 INFO L225 Difference]: With dead ends: 233 [2022-02-10 22:26:22,270 INFO L226 Difference]: Without dead ends: 148 [2022-02-10 22:26:22,271 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:26:22,272 INFO L934 BasicCegarLoop]: 92 mSDtfsCounter, 98 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:22,272 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 277 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:22,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-02-10 22:26:22,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 135. [2022-02-10 22:26:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.507462686567164) internal successors, (202), 134 states have internal predecessors, (202), 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 22:26:22,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 202 transitions. [2022-02-10 22:26:22,277 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 202 transitions. Word has length 81 [2022-02-10 22:26:22,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:22,278 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 202 transitions. [2022-02-10 22:26:22,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 202 transitions. [2022-02-10 22:26:22,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 22:26:22,278 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:22,279 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] [2022-02-10 22:26:22,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 22:26:22,279 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1932244471, now seen corresponding path program 2 times [2022-02-10 22:26:22,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:22,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072878829] [2022-02-10 22:26:22,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:22,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:22,367 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 22:26:22,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:22,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072878829] [2022-02-10 22:26:22,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072878829] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:22,368 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:22,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:22,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170510117] [2022-02-10 22:26:22,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:22,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:22,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:22,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:22,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:22,369 INFO L87 Difference]: Start difference. First operand 135 states and 202 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:22,424 INFO L93 Difference]: Finished difference Result 133 states and 198 transitions. [2022-02-10 22:26:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:26:22,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-10 22:26:22,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:22,425 INFO L225 Difference]: With dead ends: 133 [2022-02-10 22:26:22,425 INFO L226 Difference]: Without dead ends: 130 [2022-02-10 22:26:22,425 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 22:26:22,425 INFO L934 BasicCegarLoop]: 80 mSDtfsCounter, 58 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:22,426 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 246 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:22,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-02-10 22:26:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-02-10 22:26:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.5116279069767442) internal successors, (195), 129 states have internal predecessors, (195), 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 22:26:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 195 transitions. [2022-02-10 22:26:22,429 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 195 transitions. Word has length 81 [2022-02-10 22:26:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:22,429 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 195 transitions. [2022-02-10 22:26:22,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 195 transitions. [2022-02-10 22:26:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-02-10 22:26:22,431 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:26:22,432 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] [2022-02-10 22:26:22,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:26:22,432 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-10 22:26:22,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:26:22,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2070545121, now seen corresponding path program 2 times [2022-02-10 22:26:22,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:26:22,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310318353] [2022-02-10 22:26:22,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:26:22,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:26:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:26:22,493 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 22:26:22,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:26:22,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310318353] [2022-02-10 22:26:22,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310318353] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:26:22,493 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:26:22,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 22:26:22,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525087641] [2022-02-10 22:26:22,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:26:22,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 22:26:22,494 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:26:22,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 22:26:22,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 22:26:22,495 INFO L87 Difference]: Start difference. First operand 130 states and 195 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:26:22,549 INFO L93 Difference]: Finished difference Result 116 states and 181 transitions. [2022-02-10 22:26:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:26:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-02-10 22:26:22,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:26:22,549 INFO L225 Difference]: With dead ends: 116 [2022-02-10 22:26:22,549 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 22:26:22,549 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 22:26:22,550 INFO L934 BasicCegarLoop]: 66 mSDtfsCounter, 47 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:26:22,550 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 195 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:26:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 22:26:22,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 22:26:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 22:26:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 22:26:22,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-02-10 22:26:22,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:26:22,551 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 22:26:22,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 22:26:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 22:26:22,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 22:26:22,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-10 22:26:22,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-10 22:26:22,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-10 22:26:22,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:26:22,557 INFO L733 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1] [2022-02-10 22:26:22,558 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 22:26:22,559 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 22:26:22,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:26:22 BasicIcfg [2022-02-10 22:26:22,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 22:26:22,561 INFO L158 Benchmark]: Toolchain (without parser) took 3371.59ms. Allocated memory was 200.3MB in the beginning and 269.5MB in the end (delta: 69.2MB). Free memory was 149.0MB in the beginning and 211.6MB in the end (delta: -62.6MB). Peak memory consumption was 5.7MB. Max. memory is 8.0GB. [2022-02-10 22:26:22,561 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 166.1MB in the beginning and 166.1MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:26:22,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.45ms. Allocated memory was 200.3MB in the beginning and 269.5MB in the end (delta: 69.2MB). Free memory was 148.9MB in the beginning and 247.0MB in the end (delta: -98.1MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-02-10 22:26:22,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.26ms. Allocated memory is still 269.5MB. Free memory was 247.0MB in the beginning and 244.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:26:22,561 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 269.5MB. Free memory was 244.9MB in the beginning and 243.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 22:26:22,562 INFO L158 Benchmark]: RCFGBuilder took 505.69ms. Allocated memory is still 269.5MB. Free memory was 243.3MB in the beginning and 205.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-02-10 22:26:22,562 INFO L158 Benchmark]: TraceAbstraction took 2611.79ms. Allocated memory is still 269.5MB. Free memory was 205.0MB in the beginning and 211.6MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:26:22,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 166.1MB in the beginning and 166.1MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 179.45ms. Allocated memory was 200.3MB in the beginning and 269.5MB in the end (delta: 69.2MB). Free memory was 148.9MB in the beginning and 247.0MB in the end (delta: -98.1MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.26ms. Allocated memory is still 269.5MB. Free memory was 247.0MB in the beginning and 244.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 269.5MB. Free memory was 244.9MB in the beginning and 243.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 505.69ms. Allocated memory is still 269.5MB. Free memory was 243.3MB in the beginning and 205.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2611.79ms. Allocated memory is still 269.5MB. Free memory was 205.0MB in the beginning and 211.6MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 80]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 839 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 839 mSDsluCounter, 3666 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2852 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 659 IncrementalHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 1008 mSDtfsCounter, 659 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=1, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 282 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 875 NumberOfCodeBlocks, 875 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 864 ConstructedInterpolants, 0 QuantifiedInterpolants, 2738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 22:26:22,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...