/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/seq-pthread/cs_lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 07:26:36,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 07:26:36,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 07:26:36,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 07:26:36,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 07:26:36,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 07:26:36,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 07:26:36,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 07:26:36,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 07:26:36,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 07:26:36,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 07:26:36,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 07:26:36,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 07:26:36,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 07:26:36,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 07:26:36,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 07:26:36,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 07:26:36,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 07:26:36,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 07:26:36,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 07:26:36,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 07:26:36,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 07:26:36,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 07:26:36,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 07:26:36,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 07:26:36,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 07:26:36,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 07:26:36,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 07:26:36,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 07:26:36,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 07:26:36,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 07:26:36,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 07:26:36,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 07:26:36,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 07:26:36,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 07:26:36,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 07:26:36,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 07:26:36,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 07:26:36,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 07:26:36,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 07:26:36,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 07:26:36,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 07:26:36,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 07:26:36,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 07:26:36,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 07:26:36,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 07:26:36,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 07:26:36,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 07:26:36,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 07:26:36,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 07:26:36,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 07:26:36,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 07:26:36,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 07:26:36,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 07:26:36,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 07:26:36,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:26:36,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 07:26:36,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 07:26:36,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 07:26:36,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 07:26:36,860 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 07:26:37,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 07:26:37,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 07:26:37,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 07:26:37,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 07:26:37,068 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 07:26:37,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_lamport.i [2022-01-10 07:26:37,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba96f93e/dc2b87dabfdb4415843e6ac3810c6bb5/FLAG1efbcb1aa [2022-01-10 07:26:37,528 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 07:26:37,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_lamport.i [2022-01-10 07:26:37,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba96f93e/dc2b87dabfdb4415843e6ac3810c6bb5/FLAG1efbcb1aa [2022-01-10 07:26:37,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba96f93e/dc2b87dabfdb4415843e6ac3810c6bb5 [2022-01-10 07:26:37,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 07:26:37,562 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 07:26:37,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 07:26:37,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 07:26:37,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 07:26:37,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:26:37" (1/1) ... [2022-01-10 07:26:37,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7de796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:37, skipping insertion in model container [2022-01-10 07:26:37,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:26:37" (1/1) ... [2022-01-10 07:26:37,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 07:26:37,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 07:26:38,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_lamport.i[23604,23617] [2022-01-10 07:26:38,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:26:38,192 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 07:26:38,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_lamport.i[23604,23617] [2022-01-10 07:26:38,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:26:38,266 INFO L208 MainTranslator]: Completed translation [2022-01-10 07:26:38,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38 WrapperNode [2022-01-10 07:26:38,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 07:26:38,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 07:26:38,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 07:26:38,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 07:26:38,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,321 INFO L137 Inliner]: procedures = 149, calls = 351, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 453 [2022-01-10 07:26:38,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 07:26:38,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 07:26:38,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 07:26:38,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 07:26:38,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 07:26:38,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 07:26:38,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 07:26:38,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 07:26:38,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (1/1) ... [2022-01-10 07:26:38,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:26:38,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 07:26:38,409 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) [2022-01-10 07:26:38,410 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 [2022-01-10 07:26:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 07:26:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 07:26:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 07:26:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 07:26:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 07:26:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 07:26:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-10 07:26:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-01-10 07:26:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-01-10 07:26:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-10 07:26:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-01-10 07:26:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-01-10 07:26:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 07:26:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 07:26:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-01-10 07:26:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-01-10 07:26:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 07:26:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 07:26:38,622 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 07:26:38,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 07:26:41,557 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 07:26:41,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 07:26:41,563 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-10 07:26:41,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:26:41 BoogieIcfgContainer [2022-01-10 07:26:41,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 07:26:41,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 07:26:41,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 07:26:41,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 07:26:41,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:26:37" (1/3) ... [2022-01-10 07:26:41,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557ff74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:26:41, skipping insertion in model container [2022-01-10 07:26:41,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:26:38" (2/3) ... [2022-01-10 07:26:41,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557ff74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:26:41, skipping insertion in model container [2022-01-10 07:26:41,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:26:41" (3/3) ... [2022-01-10 07:26:41,572 INFO L111 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2022-01-10 07:26:41,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 07:26:41,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 07:26:41,619 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 07:26:41,626 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=PETRI_NET, 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 [2022-01-10 07:26:41,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 07:26:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 77 states have internal predecessors, (100), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-01-10 07:26:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-01-10 07:26:41,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 07:26:41,663 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 07:26:41,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 07:26:41,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 07:26:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1647401659, now seen corresponding path program 1 times [2022-01-10 07:26:41,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 07:26:41,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882110774] [2022-01-10 07:26:41,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 07:26:41,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 07:26:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 07:26:41,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 07:26:41,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process