/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:20:14,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:20:14,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:20:14,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:20:14,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:20:14,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:20:14,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:20:14,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:20:14,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:20:14,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:20:14,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:20:14,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:20:14,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:20:14,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:20:14,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:20:14,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:20:14,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:20:14,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:20:14,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:20:14,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:20:14,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:20:14,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:20:14,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:20:14,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:20:14,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:20:14,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:20:14,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:20:14,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:20:14,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:20:14,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:20:14,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:20:14,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:20:14,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:20:14,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:20:14,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:20:14,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:20:14,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:20:14,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:20:14,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:20:14,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:20:14,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:20:14,425 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 [2022-09-16 10:20:14,447 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:20:14,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:20:14,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:20:14,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:20:14,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:20:14,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:20:14,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:20:14,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:20:14,449 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:20:14,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:20:14,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:20:14,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:20:14,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:20:14,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:20:14,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:20:14,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:20:14,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:20:14,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:20:14,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:20:14,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:20:14,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:20:14,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:20:14,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:20:14,454 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:20:14,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:20:14,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:20:14,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:20:14,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:20:14,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:20:14,725 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:20:14,726 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:20:14,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2022-09-16 10:20:14,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cca6df3/29da040260ba402f9e9aae4fdcafa6d1/FLAG890444735 [2022-09-16 10:20:15,340 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:20:15,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2022-09-16 10:20:15,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cca6df3/29da040260ba402f9e9aae4fdcafa6d1/FLAG890444735 [2022-09-16 10:20:15,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cca6df3/29da040260ba402f9e9aae4fdcafa6d1 [2022-09-16 10:20:15,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:20:15,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:20:15,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:20:15,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:20:15,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:20:15,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:20:15" (1/1) ... [2022-09-16 10:20:15,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eca3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:15, skipping insertion in model container [2022-09-16 10:20:15,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:20:15" (1/1) ... [2022-09-16 10:20:15,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:20:15,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:20:16,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i[944,957] [2022-09-16 10:20:16,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:20:16,252 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:20:16,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i[944,957] [2022-09-16 10:20:16,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:20:16,331 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:20:16,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16 WrapperNode [2022-09-16 10:20:16,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:20:16,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:20:16,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:20:16,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:20:16,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,414 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 282 [2022-09-16 10:20:16,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:20:16,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:20:16,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:20:16,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:20:16,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:20:16,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:20:16,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:20:16,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:20:16,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (1/1) ... [2022-09-16 10:20:16,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:20:16,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:20:16,545 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) [2022-09-16 10:20:16,573 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 [2022-09-16 10:20:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:20:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:20:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:20:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:20:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:20:16,595 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:20:16,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:20:16,596 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:20:16,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:20:16,597 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:20:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:20:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:20:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:20:16,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:20:16,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:20:16,600 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:20:16,788 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:20:16,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:20:17,269 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:20:17,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:20:17,817 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:20:17,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:20:17 BoogieIcfgContainer [2022-09-16 10:20:17,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:20:17,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:20:17,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:20:17,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:20:17,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:20:15" (1/3) ... [2022-09-16 10:20:17,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32363b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:20:17, skipping insertion in model container [2022-09-16 10:20:17,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:20:16" (2/3) ... [2022-09-16 10:20:17,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32363b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:20:17, skipping insertion in model container [2022-09-16 10:20:17,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:20:17" (3/3) ... [2022-09-16 10:20:17,828 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2022-09-16 10:20:17,837 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:20:17,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:20:17,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:20:17,846 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:20:17,928 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:20:17,973 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 121 transitions, 257 flow [2022-09-16 10:20:19,139 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30591 states, 30565 states have (on average 3.6979224603304433) internal successors, (113027), 30590 states have internal predecessors, (113027), 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) [2022-09-16 10:20:19,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:20:19,162 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a6190a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:20:19,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:20:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 30591 states, 30565 states have (on average 3.6979224603304433) internal successors, (113027), 30590 states have internal predecessors, (113027), 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) [2022-09-16 10:20:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:20:19,237 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:20:19,238 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:20:19,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:20:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:20:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1608492108, now seen corresponding path program 1 times [2022-09-16 10:20:19,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:20:19,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121252683] [2022-09-16 10:20:19,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:20:19,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:20:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:20:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:20:19,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:20:19,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121252683] [2022-09-16 10:20:19,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121252683] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:20:19,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:20:19,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:20:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041693416] [2022-09-16 10:20:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:20:19,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:20:19,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:20:19,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:20:19,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:20:19,676 INFO L87 Difference]: Start difference. First operand has 30591 states, 30565 states have (on average 3.6979224603304433) internal successors, (113027), 30590 states have internal predecessors, (113027), 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 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-09-16 10:20:20,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:20:20,220 INFO L93 Difference]: Finished difference Result 22980 states and 81354 transitions. [2022-09-16 10:20:20,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:20:20,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-09-16 10:20:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:20:20,585 INFO L225 Difference]: With dead ends: 22980 [2022-09-16 10:20:20,585 INFO L226 Difference]: Without dead ends: 22980 [2022-09-16 10:20:20,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:20:20,590 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:20:20,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 161 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:20:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22980 states. [2022-09-16 10:20:21,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22980 to 22980. [2022-09-16 10:20:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22980 states, 22926 states have (on average 3.548547500654279) internal successors, (81354), 22979 states have internal predecessors, (81354), 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) [2022-09-16 10:20:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22980 states to 22980 states and 81354 transitions. [2022-09-16 10:20:21,899 INFO L78 Accepts]: Start accepts. Automaton has 22980 states and 81354 transitions. Word has length 49 [2022-09-16 10:20:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:20:21,899 INFO L495 AbstractCegarLoop]: Abstraction has 22980 states and 81354 transitions. [2022-09-16 10:20:21,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-09-16 10:20:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 22980 states and 81354 transitions. [2022-09-16 10:20:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:20:21,903 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:20:21,903 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:20:21,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:20:21,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:20:21,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:20:21,904 INFO L85 PathProgramCache]: Analyzing trace with hash 656452698, now seen corresponding path program 1 times [2022-09-16 10:20:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:20:21,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758391749] [2022-09-16 10:20:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:20:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:20:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:20:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:20:22,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:20:22,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758391749] [2022-09-16 10:20:22,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758391749] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:20:22,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:20:22,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:20:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309235570] [2022-09-16 10:20:22,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:20:22,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:20:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:20:22,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:20:22,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:20:22,070 INFO L87 Difference]: Start difference. First operand 22980 states and 81354 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-09-16 10:20:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:20:22,525 INFO L93 Difference]: Finished difference Result 20238 states and 70352 transitions. [2022-09-16 10:20:22,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:20:22,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:20:22,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:20:22,706 INFO L225 Difference]: With dead ends: 20238 [2022-09-16 10:20:22,707 INFO L226 Difference]: Without dead ends: 20238 [2022-09-16 10:20:22,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:20:22,708 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 152 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:20:22,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 216 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:20:22,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20238 states. [2022-09-16 10:20:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20238 to 19428. [2022-09-16 10:20:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19428 states, 19401 states have (on average 3.530178856759961) internal successors, (68489), 19427 states have internal predecessors, (68489), 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) [2022-09-16 10:20:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19428 states to 19428 states and 68489 transitions. [2022-09-16 10:20:23,578 INFO L78 Accepts]: Start accepts. Automaton has 19428 states and 68489 transitions. Word has length 61 [2022-09-16 10:20:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:20:23,586 INFO L495 AbstractCegarLoop]: Abstraction has 19428 states and 68489 transitions. [2022-09-16 10:20:23,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-09-16 10:20:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 19428 states and 68489 transitions. [2022-09-16 10:20:23,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:20:23,596 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:20:23,596 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:20:23,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:20:23,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:20:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:20:23,597 INFO L85 PathProgramCache]: Analyzing trace with hash 656452699, now seen corresponding path program 1 times [2022-09-16 10:20:23,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:20:23,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043656782] [2022-09-16 10:20:23,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:20:23,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:20:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:20:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:20:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:20:23,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043656782] [2022-09-16 10:20:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043656782] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:20:23,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:20:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:20:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649327170] [2022-09-16 10:20:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:20:23,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:20:23,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:20:23,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:20:23,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:20:23,686 INFO L87 Difference]: Start difference. First operand 19428 states and 68489 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-09-16 10:20:23,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:20:23,864 INFO L93 Difference]: Finished difference Result 15606 states and 54913 transitions. [2022-09-16 10:20:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:20:23,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:20:23,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:20:23,948 INFO L225 Difference]: With dead ends: 15606 [2022-09-16 10:20:23,949 INFO L226 Difference]: Without dead ends: 15606 [2022-09-16 10:20:23,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:20:23,950 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 105 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:20:23,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 295 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:20:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15606 states. [2022-09-16 10:20:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15606 to 15606. [2022-09-16 10:20:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15606 states, 15597 states have (on average 3.5207411681733665) internal successors, (54913), 15605 states have internal predecessors, (54913), 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) [2022-09-16 10:20:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15606 states to 15606 states and 54913 transitions. [2022-09-16 10:20:24,700 INFO L78 Accepts]: Start accepts. Automaton has 15606 states and 54913 transitions. Word has length 61 [2022-09-16 10:20:24,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:20:24,701 INFO L495 AbstractCegarLoop]: Abstraction has 15606 states and 54913 transitions. [2022-09-16 10:20:24,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-09-16 10:20:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 15606 states and 54913 transitions. [2022-09-16 10:20:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-09-16 10:20:24,713 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:20:24,713 INFO L195 NwaCegarLoop]: 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] [2022-09-16 10:20:24,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:20:24,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:20:24,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:20:24,715 INFO L85 PathProgramCache]: Analyzing trace with hash 402162023, now seen corresponding path program 1 times [2022-09-16 10:20:24,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:20:24,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011438328] [2022-09-16 10:20:24,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:20:24,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:20:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:20:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:20:24,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:20:24,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011438328] [2022-09-16 10:20:24,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011438328] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:20:24,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:20:24,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:20:24,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859186146] [2022-09-16 10:20:24,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:20:24,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:20:24,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:20:24,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:20:24,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:20:24,842 INFO L87 Difference]: Start difference. First operand 15606 states and 54913 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-09-16 10:20:25,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:20:25,009 INFO L93 Difference]: Finished difference Result 14796 states and 52240 transitions. [2022-09-16 10:20:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:20:25,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 74 [2022-09-16 10:20:25,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:20:25,011 INFO L225 Difference]: With dead ends: 14796 [2022-09-16 10:20:25,011 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:20:25,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:20:25,013 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 296 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:20:25,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 213 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:20:25,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:20:25,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:20:25,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:20:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:20:25,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2022-09-16 10:20:25,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:20:25,014 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:20:25,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-09-16 10:20:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:20:25,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:20:25,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:20:25,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:20:25,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:20:25,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:20:25,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:20:25,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:20:25,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:20:25,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:20:25,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:20:25,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:20:25,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:20:25,023 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:20:25,027 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:20:25,028 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:20:25,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:20:25 BasicIcfg [2022-09-16 10:20:25,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:20:25,031 INFO L158 Benchmark]: Toolchain (without parser) took 9207.22ms. Allocated memory was 172.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 141.4MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 546.1MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,031 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:20:25,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.67ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 141.2MB in the beginning and 179.9MB in the end (delta: -38.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.94ms. Allocated memory is still 224.4MB. Free memory was 179.9MB in the beginning and 177.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,032 INFO L158 Benchmark]: Boogie Preprocessor took 52.67ms. Allocated memory is still 224.4MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,032 INFO L158 Benchmark]: RCFGBuilder took 1351.02ms. Allocated memory is still 224.4MB. Free memory was 174.4MB in the beginning and 166.5MB in the end (delta: 7.9MB). Peak memory consumption was 113.2MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,032 INFO L158 Benchmark]: TraceAbstraction took 7208.69ms. Allocated memory was 224.4MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 166.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 518.5MB. Max. memory is 8.0GB. [2022-09-16 10:20:25,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 128.0MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.67ms. Allocated memory was 172.0MB in the beginning and 224.4MB in the end (delta: 52.4MB). Free memory was 141.2MB in the beginning and 179.9MB in the end (delta: -38.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.94ms. Allocated memory is still 224.4MB. Free memory was 179.9MB in the beginning and 177.0MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.67ms. Allocated memory is still 224.4MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1351.02ms. Allocated memory is still 224.4MB. Free memory was 174.4MB in the beginning and 166.5MB in the end (delta: 7.9MB). Peak memory consumption was 113.2MB. Max. memory is 8.0GB. * TraceAbstraction took 7208.69ms. Allocated memory was 224.4MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 166.0MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 518.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 153 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 605 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 605 mSDsluCounter, 885 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 492 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 441 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30591occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:20:25,068 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...