/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 01:25:08,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 01:25:08,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 01:25:08,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 01:25:08,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 01:25:08,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 01:25:08,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 01:25:08,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 01:25:08,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 01:25:08,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 01:25:08,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 01:25:08,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 01:25:08,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 01:25:08,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 01:25:08,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 01:25:08,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 01:25:08,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 01:25:08,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 01:25:08,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 01:25:08,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 01:25:08,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 01:25:08,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 01:25:08,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 01:25:08,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 01:25:08,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 01:25:08,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 01:25:08,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 01:25:08,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 01:25:08,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 01:25:08,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 01:25:08,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 01:25:08,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 01:25:08,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 01:25:08,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 01:25:08,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 01:25:08,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 01:25:08,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 01:25:08,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 01:25:08,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 01:25:08,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 01:25:08,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 01:25:08,385 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 [2022-01-18 01:25:08,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 01:25:08,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 01:25:08,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 01:25:08,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 01:25:08,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 01:25:08,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 01:25:08,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 01:25:08,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 01:25:08,421 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 01:25:08,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 01:25:08,422 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 01:25:08,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 01:25:08,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 01:25:08,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 01:25:08,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 01:25:08,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 01:25:08,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 01:25:08,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 01:25:08,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:25:08,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 01:25:08,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 01:25:08,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 01:25:08,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 01:25:08,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 01:25:08,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 01:25:08,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 01:25:08,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 01:25:08,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 01:25:08,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 01:25:08,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 01:25:08,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 01:25:08,649 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 01:25:08,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-01-18 01:25:08,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74675a1aa/5ec179e53f1f4e41bc8be6ef902d47f7/FLAG9e58118ed [2022-01-18 01:25:09,122 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 01:25:09,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-01-18 01:25:09,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74675a1aa/5ec179e53f1f4e41bc8be6ef902d47f7/FLAG9e58118ed [2022-01-18 01:25:09,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74675a1aa/5ec179e53f1f4e41bc8be6ef902d47f7 [2022-01-18 01:25:09,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 01:25:09,154 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 01:25:09,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 01:25:09,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 01:25:09,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 01:25:09,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f1a0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09, skipping insertion in model container [2022-01-18 01:25:09,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 01:25:09,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 01:25:09,362 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/parallel-lamport.wvr.c[4210,4223] [2022-01-18 01:25:09,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:25:09,374 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 01:25:09,396 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/parallel-lamport.wvr.c[4210,4223] [2022-01-18 01:25:09,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:25:09,415 INFO L208 MainTranslator]: Completed translation [2022-01-18 01:25:09,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09 WrapperNode [2022-01-18 01:25:09,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 01:25:09,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 01:25:09,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 01:25:09,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 01:25:09,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,456 INFO L137 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 235 [2022-01-18 01:25:09,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 01:25:09,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 01:25:09,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 01:25:09,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 01:25:09,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 01:25:09,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 01:25:09,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 01:25:09,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 01:25:09,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (1/1) ... [2022-01-18 01:25:09,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:25:09,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:25:09,518 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) [2022-01-18 01:25:09,519 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 [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 01:25:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 01:25:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 01:25:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 01:25:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 01:25:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 01:25:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 01:25:09,544 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 01:25:09,619 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 01:25:09,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 01:25:09,891 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 01:25:09,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 01:25:09,977 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-18 01:25:09,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:25:09 BoogieIcfgContainer [2022-01-18 01:25:09,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 01:25:09,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 01:25:09,980 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 01:25:09,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 01:25:09,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:25:09" (1/3) ... [2022-01-18 01:25:09,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715b588c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:25:09, skipping insertion in model container [2022-01-18 01:25:09,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:25:09" (2/3) ... [2022-01-18 01:25:09,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715b588c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:25:09, skipping insertion in model container [2022-01-18 01:25:09,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:25:09" (3/3) ... [2022-01-18 01:25:09,985 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-01-18 01:25:09,989 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 01:25:09,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 01:25:09,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 01:25:09,990 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 01:25:10,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,030 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,030 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,030 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,030 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,031 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,031 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,031 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,031 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,032 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,033 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,033 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,034 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,034 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,034 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,034 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,034 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,035 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,038 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,039 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,039 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,039 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,039 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,039 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:25:10,044 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 01:25:10,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 01:25:10,099 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 [2022-01-18 01:25:10,099 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 01:25:10,115 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 189 places, 186 transitions, 396 flow [2022-01-18 01:25:10,337 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5515 states, 5514 states have (on average 3.2183532825535) internal successors, (17746), 5514 states have internal predecessors, (17746), 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) [2022-01-18 01:25:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 5515 states, 5514 states have (on average 3.2183532825535) internal successors, (17746), 5514 states have internal predecessors, (17746), 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) [2022-01-18 01:25:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-01-18 01:25:10,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:10,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:10,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:10,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2139175524, now seen corresponding path program 1 times [2022-01-18 01:25:10,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:10,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71649432] [2022-01-18 01:25:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:10,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:10,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:10,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71649432] [2022-01-18 01:25:10,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71649432] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:25:10,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:25:10,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 01:25:10,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544783737] [2022-01-18 01:25:10,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:25:10,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 01:25:10,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:10,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 01:25:10,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 01:25:10,784 INFO L87 Difference]: Start difference. First operand has 5515 states, 5514 states have (on average 3.2183532825535) internal successors, (17746), 5514 states have internal predecessors, (17746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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) [2022-01-18 01:25:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:10,908 INFO L93 Difference]: Finished difference Result 5515 states and 17740 transitions. [2022-01-18 01:25:10,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 01:25:10,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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 154 [2022-01-18 01:25:10,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:10,966 INFO L225 Difference]: With dead ends: 5515 [2022-01-18 01:25:10,966 INFO L226 Difference]: Without dead ends: 5510 [2022-01-18 01:25:10,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 01:25:10,972 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:10,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:25:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5510 states. [2022-01-18 01:25:11,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5510 to 5510. [2022-01-18 01:25:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5510 states, 5509 states have (on average 3.21927754583409) internal successors, (17735), 5509 states have internal predecessors, (17735), 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) [2022-01-18 01:25:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 17735 transitions. [2022-01-18 01:25:11,308 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 17735 transitions. Word has length 154 [2022-01-18 01:25:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:11,308 INFO L470 AbstractCegarLoop]: Abstraction has 5510 states and 17735 transitions. [2022-01-18 01:25:11,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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) [2022-01-18 01:25:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 17735 transitions. [2022-01-18 01:25:11,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-01-18 01:25:11,325 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:11,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:11,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 01:25:11,326 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:11,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:11,327 INFO L85 PathProgramCache]: Analyzing trace with hash 929933285, now seen corresponding path program 1 times [2022-01-18 01:25:11,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:11,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094723730] [2022-01-18 01:25:11,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:11,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:11,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:11,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094723730] [2022-01-18 01:25:11,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094723730] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:25:11,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:25:11,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 01:25:11,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537087161] [2022-01-18 01:25:11,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:25:11,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 01:25:11,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:11,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 01:25:11,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-01-18 01:25:11,725 INFO L87 Difference]: Start difference. First operand 5510 states and 17735 transitions. Second operand has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 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) [2022-01-18 01:25:11,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:11,981 INFO L93 Difference]: Finished difference Result 5532 states and 17757 transitions. [2022-01-18 01:25:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 01:25:11,982 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 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 154 [2022-01-18 01:25:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:12,018 INFO L225 Difference]: With dead ends: 5532 [2022-01-18 01:25:12,019 INFO L226 Difference]: Without dead ends: 5516 [2022-01-18 01:25:12,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=59, Unknown=0, NotChecked=0, Total=110 [2022-01-18 01:25:12,024 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 227 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:12,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 492 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:25:12,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5516 states. [2022-01-18 01:25:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 5511. [2022-01-18 01:25:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5511 states, 5510 states have (on average 3.218874773139746) internal successors, (17736), 5510 states have internal predecessors, (17736), 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) [2022-01-18 01:25:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 5511 states and 17736 transitions. [2022-01-18 01:25:12,219 INFO L78 Accepts]: Start accepts. Automaton has 5511 states and 17736 transitions. Word has length 154 [2022-01-18 01:25:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:12,221 INFO L470 AbstractCegarLoop]: Abstraction has 5511 states and 17736 transitions. [2022-01-18 01:25:12,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 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) [2022-01-18 01:25:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 17736 transitions. [2022-01-18 01:25:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-18 01:25:12,240 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:12,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:12,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 01:25:12,241 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:12,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1430476039, now seen corresponding path program 1 times [2022-01-18 01:25:12,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252039365] [2022-01-18 01:25:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:12,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 01:25:12,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:12,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252039365] [2022-01-18 01:25:12,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252039365] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:25:12,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:25:12,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 01:25:12,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076022430] [2022-01-18 01:25:12,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:25:12,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 01:25:12,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:12,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 01:25:12,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:25:12,402 INFO L87 Difference]: Start difference. First operand 5511 states and 17736 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-01-18 01:25:12,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:12,475 INFO L93 Difference]: Finished difference Result 5511 states and 17646 transitions. [2022-01-18 01:25:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 01:25:12,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 161 [2022-01-18 01:25:12,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:12,506 INFO L225 Difference]: With dead ends: 5511 [2022-01-18 01:25:12,507 INFO L226 Difference]: Without dead ends: 5511 [2022-01-18 01:25:12,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 01:25:12,508 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 19 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:12,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 305 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:25:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2022-01-18 01:25:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 5511. [2022-01-18 01:25:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5511 states, 5510 states have (on average 3.202540834845735) internal successors, (17646), 5510 states have internal predecessors, (17646), 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) [2022-01-18 01:25:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 5511 states and 17646 transitions. [2022-01-18 01:25:12,700 INFO L78 Accepts]: Start accepts. Automaton has 5511 states and 17646 transitions. Word has length 161 [2022-01-18 01:25:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:12,701 INFO L470 AbstractCegarLoop]: Abstraction has 5511 states and 17646 transitions. [2022-01-18 01:25:12,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-01-18 01:25:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5511 states and 17646 transitions. [2022-01-18 01:25:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-18 01:25:12,717 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:12,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:12,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 01:25:12,718 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:12,718 INFO L85 PathProgramCache]: Analyzing trace with hash 873721745, now seen corresponding path program 2 times [2022-01-18 01:25:12,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:12,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826359215] [2022-01-18 01:25:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:12,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:13,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:13,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826359215] [2022-01-18 01:25:13,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826359215] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 01:25:13,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118562912] [2022-01-18 01:25:13,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 01:25:13,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:25:13,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 01:25:13,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 01:25:13,830 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 01:25:13,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 01:25:13,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 43 conjunts are in the unsatisfiable core [2022-01-18 01:25:13,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 01:25:13,979 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:14,091 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 01:25:14,091 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 01:25:14,801 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 01:25:14,932 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:14,933 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-01-18 01:25:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 01:25:14,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 01:25:14,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118562912] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:25:14,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 01:25:14,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2022-01-18 01:25:14,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664696271] [2022-01-18 01:25:14,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:25:14,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-18 01:25:14,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:14,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-18 01:25:14,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2022-01-18 01:25:14,966 INFO L87 Difference]: Start difference. First operand 5511 states and 17646 transitions. Second operand has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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) [2022-01-18 01:25:16,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:16,207 INFO L93 Difference]: Finished difference Result 8527 states and 26984 transitions. [2022-01-18 01:25:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:25:16,208 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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 161 [2022-01-18 01:25:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:16,259 INFO L225 Difference]: With dead ends: 8527 [2022-01-18 01:25:16,259 INFO L226 Difference]: Without dead ends: 8164 [2022-01-18 01:25:16,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=407, Invalid=3883, Unknown=0, NotChecked=0, Total=4290 [2022-01-18 01:25:16,263 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 967 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 256 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:16,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [967 Valid, 2894 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1138 Invalid, 0 Unknown, 256 Unchecked, 0.5s Time] [2022-01-18 01:25:16,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8164 states. [2022-01-18 01:25:16,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8164 to 6441. [2022-01-18 01:25:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6441 states, 6440 states have (on average 3.165372670807453) internal successors, (20385), 6440 states have internal predecessors, (20385), 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) [2022-01-18 01:25:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6441 states to 6441 states and 20385 transitions. [2022-01-18 01:25:16,450 INFO L78 Accepts]: Start accepts. Automaton has 6441 states and 20385 transitions. Word has length 161 [2022-01-18 01:25:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:16,451 INFO L470 AbstractCegarLoop]: Abstraction has 6441 states and 20385 transitions. [2022-01-18 01:25:16,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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) [2022-01-18 01:25:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6441 states and 20385 transitions. [2022-01-18 01:25:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-18 01:25:16,470 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:16,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:16,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 01:25:16,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:16,686 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:16,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:16,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1654568649, now seen corresponding path program 3 times [2022-01-18 01:25:16,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:16,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957379650] [2022-01-18 01:25:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:16,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:17,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:17,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957379650] [2022-01-18 01:25:17,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957379650] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 01:25:17,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731370051] [2022-01-18 01:25:17,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 01:25:17,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:17,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:25:17,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 01:25:18,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 01:25:18,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-01-18 01:25:18,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 01:25:18,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 45 conjunts are in the unsatisfiable core [2022-01-18 01:25:18,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 01:25:18,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:18,237 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 01:25:18,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-18 01:25:18,970 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 26 [2022-01-18 01:25:19,096 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:19,097 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-01-18 01:25:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 01:25:19,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-18 01:25:19,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731370051] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:25:19,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-18 01:25:19,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [32] total 49 [2022-01-18 01:25:19,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718943274] [2022-01-18 01:25:19,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:25:19,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-18 01:25:19,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:19,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-18 01:25:19,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=2207, Unknown=0, NotChecked=0, Total=2352 [2022-01-18 01:25:19,154 INFO L87 Difference]: Start difference. First operand 6441 states and 20385 transitions. Second operand has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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) [2022-01-18 01:25:20,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:20,524 INFO L93 Difference]: Finished difference Result 8446 states and 26538 transitions. [2022-01-18 01:25:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-01-18 01:25:20,528 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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 161 [2022-01-18 01:25:20,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:20,559 INFO L225 Difference]: With dead ends: 8446 [2022-01-18 01:25:20,559 INFO L226 Difference]: Without dead ends: 7969 [2022-01-18 01:25:20,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1256 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=434, Invalid=4968, Unknown=0, NotChecked=0, Total=5402 [2022-01-18 01:25:20,561 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 921 mSDsluCounter, 3283 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 3154 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 131 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:20,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [921 Valid, 3154 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1308 Invalid, 0 Unknown, 131 Unchecked, 0.6s Time] [2022-01-18 01:25:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7969 states. [2022-01-18 01:25:20,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7969 to 6437. [2022-01-18 01:25:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6437 states, 6436 states have (on average 3.160814170292107) internal successors, (20343), 6436 states have internal predecessors, (20343), 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) [2022-01-18 01:25:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6437 states to 6437 states and 20343 transitions. [2022-01-18 01:25:20,785 INFO L78 Accepts]: Start accepts. Automaton has 6437 states and 20343 transitions. Word has length 161 [2022-01-18 01:25:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:20,785 INFO L470 AbstractCegarLoop]: Abstraction has 6437 states and 20343 transitions. [2022-01-18 01:25:20,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.666666666666667) internal successors, (161), 21 states have internal predecessors, (161), 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) [2022-01-18 01:25:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 6437 states and 20343 transitions. [2022-01-18 01:25:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-18 01:25:20,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:20,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:20,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 01:25:21,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:21,020 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1273485687, now seen corresponding path program 4 times [2022-01-18 01:25:21,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:21,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595200322] [2022-01-18 01:25:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:21,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:21,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:21,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595200322] [2022-01-18 01:25:21,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595200322] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 01:25:21,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861664379] [2022-01-18 01:25:21,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-18 01:25:21,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:21,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:25:21,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 01:25:21,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 01:25:21,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-18 01:25:21,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 01:25:21,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 57 conjunts are in the unsatisfiable core [2022-01-18 01:25:21,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 01:25:22,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 01:25:23,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:23,433 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:23,765 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:24,101 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-01-18 01:25:24,102 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 20 [2022-01-18 01:25:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:24,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 01:25:28,405 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:28,405 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 130 [2022-01-18 01:25:28,422 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:28,422 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 692 treesize of output 664 [2022-01-18 01:25:28,443 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:28,444 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 770 treesize of output 580 [2022-01-18 01:25:28,464 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:28,464 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 554 treesize of output 472 [2022-01-18 01:25:28,487 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:25:28,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 352 treesize of output 324 [2022-01-18 01:25:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:32,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861664379] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 01:25:32,513 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 01:25:32,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 27] total 76 [2022-01-18 01:25:32,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121544293] [2022-01-18 01:25:32,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 01:25:32,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-01-18 01:25:32,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:25:32,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-01-18 01:25:32,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=4904, Unknown=221, NotChecked=0, Total=5700 [2022-01-18 01:25:32,516 INFO L87 Difference]: Start difference. First operand 6437 states and 20343 transitions. Second operand has 76 states, 76 states have (on average 5.4868421052631575) internal successors, (417), 76 states have internal predecessors, (417), 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) [2022-01-18 01:25:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:25:50,603 INFO L93 Difference]: Finished difference Result 25420 states and 81221 transitions. [2022-01-18 01:25:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-01-18 01:25:50,603 INFO L78 Accepts]: Start accepts. Automaton has has 76 states, 76 states have (on average 5.4868421052631575) internal successors, (417), 76 states have internal predecessors, (417), 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 161 [2022-01-18 01:25:50,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:25:50,674 INFO L225 Difference]: With dead ends: 25420 [2022-01-18 01:25:50,674 INFO L226 Difference]: Without dead ends: 23396 [2022-01-18 01:25:50,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 327 SyntacticMatches, 46 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 12105 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=6970, Invalid=27591, Unknown=221, NotChecked=0, Total=34782 [2022-01-18 01:25:50,682 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 9604 mSDsluCounter, 11794 mSDsCounter, 0 mSdLazyCounter, 5131 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9604 SdHoareTripleChecker+Valid, 8999 SdHoareTripleChecker+Invalid, 10863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 5131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5271 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-01-18 01:25:50,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9604 Valid, 8999 Invalid, 10863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 5131 Invalid, 0 Unknown, 5271 Unchecked, 2.5s Time] [2022-01-18 01:25:50,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23396 states. [2022-01-18 01:25:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23396 to 10302. [2022-01-18 01:25:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10302 states, 10301 states have (on average 3.1113484127754587) internal successors, (32050), 10301 states have internal predecessors, (32050), 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) [2022-01-18 01:25:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10302 states to 10302 states and 32050 transitions. [2022-01-18 01:25:51,040 INFO L78 Accepts]: Start accepts. Automaton has 10302 states and 32050 transitions. Word has length 161 [2022-01-18 01:25:51,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:25:51,040 INFO L470 AbstractCegarLoop]: Abstraction has 10302 states and 32050 transitions. [2022-01-18 01:25:51,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.4868421052631575) internal successors, (417), 76 states have internal predecessors, (417), 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) [2022-01-18 01:25:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 10302 states and 32050 transitions. [2022-01-18 01:25:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-01-18 01:25:51,065 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:25:51,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:25:51,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 01:25:51,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:51,280 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 01:25:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:25:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash 700466705, now seen corresponding path program 5 times [2022-01-18 01:25:51,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:25:51,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322819937] [2022-01-18 01:25:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:25:51,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:25:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:25:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:51,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:25:51,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322819937] [2022-01-18 01:25:51,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322819937] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 01:25:51,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541265045] [2022-01-18 01:25:51,827 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-18 01:25:51,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:25:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:25:51,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 01:25:51,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 01:25:51,923 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 01:25:51,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 01:25:51,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 65 conjunts are in the unsatisfiable core [2022-01-18 01:25:51,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 01:25:51,981 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:52,023 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-18 01:25:52,023 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-01-18 01:25:52,422 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 01:25:52,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-01-18 01:25:52,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-18 01:25:53,221 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:53,320 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 01:25:53,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 01:25:53,833 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2022-01-18 01:25:54,192 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-01-18 01:25:54,192 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 13 [2022-01-18 01:25:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:25:54,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 01:26:11,071 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:26:11,071 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 90 [2022-01-18 01:26:11,091 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:26:11,092 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1856 treesize of output 1784 [2022-01-18 01:26:11,114 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:26:11,114 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1784 treesize of output 1716 [2022-01-18 01:26:11,141 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 01:26:11,141 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1716 treesize of output 1564 [2022-01-18 01:26:11,183 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1293 treesize of output 1245 [2022-01-18 01:26:11,209 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1245 treesize of output 1053 [2022-01-18 01:26:11,232 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2022-01-18 01:26:11,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-01-18 01:26:11,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 01:26:11,444 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:635) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-01-18 01:26:11,447 INFO L158 Benchmark]: Toolchain (without parser) took 62293.50ms. Allocated memory was 371.2MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 317.3MB in the beginning and 596.3MB in the end (delta: -279.0MB). Peak memory consumption was 758.3MB. Max. memory is 16.0GB. [2022-01-18 01:26:11,448 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory is still 334.8MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:26:11,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.53ms. Allocated memory is still 371.2MB. Free memory was 317.2MB in the beginning and 342.5MB in the end (delta: -25.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.0GB. [2022-01-18 01:26:11,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.37ms. Allocated memory is still 371.2MB. Free memory was 342.5MB in the beginning and 339.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2022-01-18 01:26:11,448 INFO L158 Benchmark]: Boogie Preprocessor took 22.02ms. Allocated memory is still 371.2MB. Free memory was 339.4MB in the beginning and 338.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:26:11,449 INFO L158 Benchmark]: RCFGBuilder took 499.39ms. Allocated memory is still 371.2MB. Free memory was 338.3MB in the beginning and 314.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2022-01-18 01:26:11,449 INFO L158 Benchmark]: TraceAbstraction took 61466.90ms. Allocated memory was 371.2MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 313.1MB in the beginning and 596.3MB in the end (delta: -283.2MB). Peak memory consumption was 755.8MB. Max. memory is 16.0GB. [2022-01-18 01:26:11,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 371.2MB. Free memory is still 334.8MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 259.53ms. Allocated memory is still 371.2MB. Free memory was 317.2MB in the beginning and 342.5MB in the end (delta: -25.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.37ms. Allocated memory is still 371.2MB. Free memory was 342.5MB in the beginning and 339.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.02ms. Allocated memory is still 371.2MB. Free memory was 339.4MB in the beginning and 338.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 499.39ms. Allocated memory is still 371.2MB. Free memory was 338.3MB in the beginning and 314.2MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * TraceAbstraction took 61466.90ms. Allocated memory was 371.2MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 313.1MB in the beginning and 596.3MB in the end (delta: -283.2MB). Peak memory consumption was 755.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-01-18 01:26:11,482 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...