/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-PN-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/mix011.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:31:48,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:31:48,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:31:48,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:31:48,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:31:48,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:31:48,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:31:48,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:31:48,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:31:48,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:31:48,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:31:48,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:31:48,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:31:48,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:31:48,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:31:48,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:31:48,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:31:48,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:31:48,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:31:48,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:31:48,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:31:48,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:31:48,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:31:48,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:31:48,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:31:48,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:31:48,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:31:48,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:31:48,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:31:48,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 11:31:48,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 11:31:48,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 11:31:48,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 11:31:48,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 11:31:48,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 11:31:48,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 11:31:48,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 11:31:48,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 11:31:48,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:31:48,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:31:48,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:31:48,526 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-PN-NoLbe.epf [2022-09-16 11:31:48,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:31:48,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:31:48,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:31:48,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:31:48,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:31:48,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:31:48,552 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:31:48,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:31:48,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:31:48,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:31:48,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:31:48,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:31:48,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:31:48,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:48,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:31:48,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:31:48,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:31:48,556 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:31:48,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:31:48,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:31:48,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:31:48,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:31:48,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:31:48,827 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:31:48,828 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:31:48,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix011.opt.i [2022-09-16 11:31:48,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f078031/9996c3e9a0584408b63bff35d6b60bc2/FLAG47db3d736 [2022-09-16 11:31:49,360 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:31:49,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix011.opt.i [2022-09-16 11:31:49,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f078031/9996c3e9a0584408b63bff35d6b60bc2/FLAG47db3d736 [2022-09-16 11:31:49,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f078031/9996c3e9a0584408b63bff35d6b60bc2 [2022-09-16 11:31:49,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:31:49,711 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:31:49,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:49,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:31:49,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:31:49,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:49" (1/1) ... [2022-09-16 11:31:49,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412f6609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:49, skipping insertion in model container [2022-09-16 11:31:49,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:31:49" (1/1) ... [2022-09-16 11:31:49,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:31:49,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:31:49,934 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/mix011.opt.i[944,957] [2022-09-16 11:31:50,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:50,117 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:31:50,129 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/mix011.opt.i[944,957] [2022-09-16 11:31:50,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:31:50,205 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:31:50,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50 WrapperNode [2022-09-16 11:31:50,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:31:50,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:50,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:31:50,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:31:50,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,278 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 283 [2022-09-16 11:31:50,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:31:50,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:31:50,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:31:50,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:31:50,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:31:50,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:31:50,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:31:50,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:31:50,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (1/1) ... [2022-09-16 11:31:50,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:31:50,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:31:50,354 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 11:31:50,361 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 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:31:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:31:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:31:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:31:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:31:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:31:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:31:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:31:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:31:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:31:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:31:50,397 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 11:31:50,570 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:31:50,572 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:31:51,143 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:31:51,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:31:51,638 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:31:51,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:51 BoogieIcfgContainer [2022-09-16 11:31:51,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:31:51,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:31:51,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:31:51,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:31:51,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:31:49" (1/3) ... [2022-09-16 11:31:51,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91c1835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:51, skipping insertion in model container [2022-09-16 11:31:51,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:31:50" (2/3) ... [2022-09-16 11:31:51,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91c1835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:31:51, skipping insertion in model container [2022-09-16 11:31:51,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:31:51" (3/3) ... [2022-09-16 11:31:51,651 INFO L112 eAbstractionObserver]: Analyzing ICFG mix011.opt.i [2022-09-16 11:31:51,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:31:51,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:31:51,669 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:31:51,757 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:31:51,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 123 transitions, 261 flow [2022-09-16 11:31:51,875 INFO L130 PetriNetUnfolder]: 2/120 cut-off events. [2022-09-16 11:31:51,878 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:51,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 120 events. 2/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-09-16 11:31:51,882 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 123 transitions, 261 flow [2022-09-16 11:31:51,888 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 120 transitions, 249 flow [2022-09-16 11:31:51,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:31:51,915 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=false, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ddd0448, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:31:51,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:31:51,937 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-09-16 11:31:51,937 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:31:51,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:51,938 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:31:51,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:51,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:51,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1648298516, now seen corresponding path program 1 times [2022-09-16 11:31:51,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:51,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238259989] [2022-09-16 11:31:51,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:52,265 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 11:31:52,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:52,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238259989] [2022-09-16 11:31:52,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238259989] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:52,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:52,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:31:52,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282918004] [2022-09-16 11:31:52,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:52,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:31:52,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:31:52,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:31:52,321 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 123 [2022-09-16 11:31:52,332 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 11:31:52,333 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:52,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 123 [2022-09-16 11:31:52,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:52,690 INFO L130 PetriNetUnfolder]: 372/876 cut-off events. [2022-09-16 11:31:52,690 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-09-16 11:31:52,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1520 conditions, 876 events. 372/876 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 5673 event pairs, 81 based on Foata normal form. 141/828 useless extension candidates. Maximal degree in co-relation 1465. Up to 562 conditions per place. [2022-09-16 11:31:52,707 INFO L137 encePairwiseOnDemand]: 111/123 looper letters, 26 selfloop transitions, 4 changer transitions 0/128 dead transitions. [2022-09-16 11:31:52,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 128 transitions, 331 flow [2022-09-16 11:31:52,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:31:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:31:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2022-09-16 11:31:52,725 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9295392953929539 [2022-09-16 11:31:52,726 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2022-09-16 11:31:52,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2022-09-16 11:31:52,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:52,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2022-09-16 11:31:52,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 11:31:52,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 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 11:31:52,745 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 123.0) internal successors, (492), 4 states have internal predecessors, (492), 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 11:31:52,747 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 249 flow. Second operand 3 states and 343 transitions. [2022-09-16 11:31:52,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 128 transitions, 331 flow [2022-09-16 11:31:52,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 128 transitions, 326 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:52,757 INFO L231 Difference]: Finished difference. Result has 127 places, 120 transitions, 276 flow [2022-09-16 11:31:52,759 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=127, PETRI_TRANSITIONS=120} [2022-09-16 11:31:52,768 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, -1 predicate places. [2022-09-16 11:31:52,769 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 120 transitions, 276 flow [2022-09-16 11:31:52,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 11:31:52,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:52,769 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:31:52,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:31:52,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:52,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:52,770 INFO L85 PathProgramCache]: Analyzing trace with hash -553047391, now seen corresponding path program 1 times [2022-09-16 11:31:52,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:52,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279142859] [2022-09-16 11:31:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:52,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:52,904 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 11:31:52,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:52,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279142859] [2022-09-16 11:31:52,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279142859] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:52,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:52,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:52,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875573950] [2022-09-16 11:31:52,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:52,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:52,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:52,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:52,908 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 123 [2022-09-16 11:31:52,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 120 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 11:31:52,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:52,909 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 123 [2022-09-16 11:31:52,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:53,170 INFO L130 PetriNetUnfolder]: 252/688 cut-off events. [2022-09-16 11:31:53,170 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-09-16 11:31:53,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 688 events. 252/688 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4233 event pairs, 33 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 1334. Up to 258 conditions per place. [2022-09-16 11:31:53,177 INFO L137 encePairwiseOnDemand]: 113/123 looper letters, 30 selfloop transitions, 10 changer transitions 3/141 dead transitions. [2022-09-16 11:31:53,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 141 transitions, 422 flow [2022-09-16 11:31:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 450 transitions. [2022-09-16 11:31:53,179 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9146341463414634 [2022-09-16 11:31:53,179 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 450 transitions. [2022-09-16 11:31:53,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 450 transitions. [2022-09-16 11:31:53,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:53,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 450 transitions. [2022-09-16 11:31:53,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 112.5) internal successors, (450), 4 states have internal predecessors, (450), 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 11:31:53,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 11:31:53,184 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 11:31:53,184 INFO L175 Difference]: Start difference. First operand has 127 places, 120 transitions, 276 flow. Second operand 4 states and 450 transitions. [2022-09-16 11:31:53,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 141 transitions, 422 flow [2022-09-16 11:31:53,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 141 transitions, 418 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:31:53,188 INFO L231 Difference]: Finished difference. Result has 131 places, 123 transitions, 332 flow [2022-09-16 11:31:53,189 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=332, PETRI_PLACES=131, PETRI_TRANSITIONS=123} [2022-09-16 11:31:53,190 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 3 predicate places. [2022-09-16 11:31:53,190 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 123 transitions, 332 flow [2022-09-16 11:31:53,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 11:31:53,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:53,191 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:31:53,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:31:53,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -553047390, now seen corresponding path program 1 times [2022-09-16 11:31:53,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:53,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837688090] [2022-09-16 11:31:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:53,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:53,278 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 11:31:53,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:53,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837688090] [2022-09-16 11:31:53,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837688090] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:53,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:53,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:31:53,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476678537] [2022-09-16 11:31:53,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:53,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:31:53,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:53,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:31:53,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:31:53,283 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 123 [2022-09-16 11:31:53,283 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 123 transitions, 332 flow. Second operand has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 11:31:53,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:53,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 123 [2022-09-16 11:31:53,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:53,449 INFO L130 PetriNetUnfolder]: 154/492 cut-off events. [2022-09-16 11:31:53,449 INFO L131 PetriNetUnfolder]: For 334/334 co-relation queries the response was YES. [2022-09-16 11:31:53,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1019 conditions, 492 events. 154/492 cut-off events. For 334/334 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2725 event pairs, 24 based on Foata normal form. 53/534 useless extension candidates. Maximal degree in co-relation 961. Up to 207 conditions per place. [2022-09-16 11:31:53,455 INFO L137 encePairwiseOnDemand]: 116/123 looper letters, 23 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2022-09-16 11:31:53,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 125 transitions, 364 flow [2022-09-16 11:31:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:31:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:31:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 434 transitions. [2022-09-16 11:31:53,457 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8821138211382114 [2022-09-16 11:31:53,457 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 434 transitions. [2022-09-16 11:31:53,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 434 transitions. [2022-09-16 11:31:53,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:53,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 434 transitions. [2022-09-16 11:31:53,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 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 11:31:53,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 11:31:53,463 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 123.0) internal successors, (615), 5 states have internal predecessors, (615), 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 11:31:53,463 INFO L175 Difference]: Start difference. First operand has 131 places, 123 transitions, 332 flow. Second operand 4 states and 434 transitions. [2022-09-16 11:31:53,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 125 transitions, 364 flow [2022-09-16 11:31:53,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 125 transitions, 346 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-16 11:31:53,471 INFO L231 Difference]: Finished difference. Result has 128 places, 117 transitions, 280 flow [2022-09-16 11:31:53,471 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=280, PETRI_PLACES=128, PETRI_TRANSITIONS=117} [2022-09-16 11:31:53,474 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, 0 predicate places. [2022-09-16 11:31:53,474 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 117 transitions, 280 flow [2022-09-16 11:31:53,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.5) internal successors, (410), 4 states have internal predecessors, (410), 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 11:31:53,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:31:53,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:31:53,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:31:53,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:31:53,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:31:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1893552589, now seen corresponding path program 1 times [2022-09-16 11:31:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:31:53,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559690351] [2022-09-16 11:31:53,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:31:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:31:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:31:53,662 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 11:31:53,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:31:53,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559690351] [2022-09-16 11:31:53,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559690351] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:31:53,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:31:53,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:31:53,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49687706] [2022-09-16 11:31:53,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:31:53,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:31:53,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:31:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:31:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:31:53,671 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 123 [2022-09-16 11:31:53,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 117 transitions, 280 flow. Second operand has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 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 11:31:53,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:31:53,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 123 [2022-09-16 11:31:53,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:31:53,819 INFO L130 PetriNetUnfolder]: 148/508 cut-off events. [2022-09-16 11:31:53,819 INFO L131 PetriNetUnfolder]: For 278/278 co-relation queries the response was YES. [2022-09-16 11:31:53,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 959 conditions, 508 events. 148/508 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2493 event pairs, 54 based on Foata normal form. 9/495 useless extension candidates. Maximal degree in co-relation 902. Up to 121 conditions per place. [2022-09-16 11:31:53,822 INFO L137 encePairwiseOnDemand]: 116/123 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2022-09-16 11:31:53,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 129 transitions, 360 flow [2022-09-16 11:31:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:31:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:31:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 539 transitions. [2022-09-16 11:31:53,824 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8764227642276423 [2022-09-16 11:31:53,824 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 539 transitions. [2022-09-16 11:31:53,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 539 transitions. [2022-09-16 11:31:53,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:31:53,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 539 transitions. [2022-09-16 11:31:53,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 107.8) internal successors, (539), 5 states have internal predecessors, (539), 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 11:31:53,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 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 11:31:53,828 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 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 11:31:53,828 INFO L175 Difference]: Start difference. First operand has 128 places, 117 transitions, 280 flow. Second operand 5 states and 539 transitions. [2022-09-16 11:31:53,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 129 transitions, 360 flow [2022-09-16 11:31:53,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 129 transitions, 345 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:31:53,830 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2022-09-16 11:31:53,831 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2022-09-16 11:31:53,832 INFO L287 CegarLoopForPetriNet]: 128 programPoint places, -3 predicate places. [2022-09-16 11:31:53,833 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2022-09-16 11:31:53,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 103.2) internal successors, (516), 5 states have internal predecessors, (516), 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 11:31:53,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:31:53,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:31:53,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:31:53,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:31:53,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:31:53,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:31:53,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:31:53,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:31:53,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:31:53,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:31:53,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:31:53,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:31:53,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:31:53,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:31:53,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:31:53,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:31:53,848 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:31:53,855 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:31:53,855 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:31:53,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:31:53 BasicIcfg [2022-09-16 11:31:53,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:31:53,867 INFO L158 Benchmark]: Toolchain (without parser) took 4155.71ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 128.1MB in the beginning and 149.5MB in the end (delta: -21.4MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2022-09-16 11:31:53,867 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:31:53,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.06ms. Allocated memory is still 187.7MB. Free memory was 127.9MB in the beginning and 147.3MB in the end (delta: -19.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 11:31:53,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.35ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 144.4MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:53,868 INFO L158 Benchmark]: Boogie Preprocessor took 35.16ms. Allocated memory is still 187.7MB. Free memory was 144.3MB in the beginning and 141.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:31:53,868 INFO L158 Benchmark]: RCFGBuilder took 1325.52ms. Allocated memory is still 187.7MB. Free memory was 141.9MB in the beginning and 75.7MB in the end (delta: 66.2MB). Peak memory consumption was 73.5MB. Max. memory is 8.0GB. [2022-09-16 11:31:53,871 INFO L158 Benchmark]: TraceAbstraction took 2223.10ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 74.6MB in the beginning and 149.5MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:31:53,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 187.7MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 492.06ms. Allocated memory is still 187.7MB. Free memory was 127.9MB in the beginning and 147.3MB in the end (delta: -19.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.35ms. Allocated memory is still 187.7MB. Free memory was 147.3MB in the beginning and 144.4MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.16ms. Allocated memory is still 187.7MB. Free memory was 144.3MB in the beginning and 141.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1325.52ms. Allocated memory is still 187.7MB. Free memory was 141.9MB in the beginning and 75.7MB in the end (delta: 66.2MB). Peak memory consumption was 73.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2223.10ms. Allocated memory was 187.7MB in the beginning and 228.6MB in the end (delta: 40.9MB). Free memory was 74.6MB in the beginning and 149.5MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 757]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: 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, 156 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 166 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 166 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=332occurred in iteration=2, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 680 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 11:31:53,915 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...