/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/mix000.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:19:31,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:19:31,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:19:31,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:19:31,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:19:31,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:19:31,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:19:31,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:19:31,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:19:31,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:19:31,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:19:31,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:19:31,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:19:31,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:19:31,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:19:31,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:19:31,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:19:31,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:19:31,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:19:31,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:19:31,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:19:31,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:19:31,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:19:31,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:19:31,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:19:31,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:19:31,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:19:31,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:19:31,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:19:31,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:19:31,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:19:31,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:19:31,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:19:31,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:19:31,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:19:31,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:19:31,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:19:31,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:19:31,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:19:31,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:19:31,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:19:31,738 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 10:19:31,769 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:19:31,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:19:31,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:19:31,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:19:31,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:19:31,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:19:31,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:19:31,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:19:31,771 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:19:31,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:19:31,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:19:31,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:19:31,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:19:31,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:19:31,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:19:31,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:19:31,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:19:31,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:19:31,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:19:31,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:19:31,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:31,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:19:31,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:19:31,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:19:31,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:19:31,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:19:31,779 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:19:31,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:19:31,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:19:32,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:19:32,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:19:32,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:19:32,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:19:32,037 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:19:32,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix000.oepc.i [2022-09-16 10:19:32,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701306db2/bf45465e9f5e482c9450e2d7a0c77bfe/FLAG75420a20a [2022-09-16 10:19:32,564 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:19:32,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix000.oepc.i [2022-09-16 10:19:32,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701306db2/bf45465e9f5e482c9450e2d7a0c77bfe/FLAG75420a20a [2022-09-16 10:19:32,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/701306db2/bf45465e9f5e482c9450e2d7a0c77bfe [2022-09-16 10:19:32,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:19:32,906 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:19:32,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:32,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:19:32,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:19:32,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:32" (1/1) ... [2022-09-16 10:19:32,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2339fdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:32, skipping insertion in model container [2022-09-16 10:19:32,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:32" (1/1) ... [2022-09-16 10:19:32,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:19:32,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:19:33,107 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/mix000.oepc.i[988,1001] [2022-09-16 10:19:33,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:33,271 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:19:33,281 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/mix000.oepc.i[988,1001] [2022-09-16 10:19:33,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:33,377 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:19:33,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33 WrapperNode [2022-09-16 10:19:33,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:33,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:33,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:19:33,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:19:33,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,433 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 267 [2022-09-16 10:19:33,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:33,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:19:33,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:19:33,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:19:33,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:19:33,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:19:33,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:19:33,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:19:33,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:19:33,508 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 10:19:33,512 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 10:19:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:19:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:19:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:19:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:19:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:19:33,553 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:19:33,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:19:33,554 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:19:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:19:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:19:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:19:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:19:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:19:33,556 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 10:19:33,673 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:19:33,675 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:19:34,237 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:19:34,683 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:19:34,683 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:19:34,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:34 BoogieIcfgContainer [2022-09-16 10:19:34,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:19:34,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:19:34,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:19:34,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:19:34,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:19:32" (1/3) ... [2022-09-16 10:19:34,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e497d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:34, skipping insertion in model container [2022-09-16 10:19:34,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33" (2/3) ... [2022-09-16 10:19:34,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e497d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:34, skipping insertion in model container [2022-09-16 10:19:34,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:34" (3/3) ... [2022-09-16 10:19:34,696 INFO L112 eAbstractionObserver]: Analyzing ICFG mix000.oepc.i [2022-09-16 10:19:34,704 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:19:34,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:19:34,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:19:34,711 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:19:34,782 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:19:34,827 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 101 transitions, 212 flow [2022-09-16 10:19:34,963 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3367 states, 3359 states have (on average 2.800535873771956) internal successors, (9407), 3366 states have internal predecessors, (9407), 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 10:19:34,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:19:34,988 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;@89772ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:19:34,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-09-16 10:19:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 3367 states, 3359 states have (on average 2.800535873771956) internal successors, (9407), 3366 states have internal predecessors, (9407), 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 10:19:35,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:19:35,008 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:35,009 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] [2022-09-16 10:19:35,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:19:35,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:35,016 INFO L85 PathProgramCache]: Analyzing trace with hash -441067073, now seen corresponding path program 1 times [2022-09-16 10:19:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:35,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850044252] [2022-09-16 10:19:35,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:19:35,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:35,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850044252] [2022-09-16 10:19:35,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850044252] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:35,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:35,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:19:35,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792250476] [2022-09-16 10:19:35,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:35,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:19:35,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:35,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:19:35,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:19:35,415 INFO L87 Difference]: Start difference. First operand has 3367 states, 3359 states have (on average 2.800535873771956) internal successors, (9407), 3366 states have internal predecessors, (9407), 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 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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 10:19:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:35,548 INFO L93 Difference]: Finished difference Result 2457 states and 6517 transitions. [2022-09-16 10:19:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:19:35,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2022-09-16 10:19:35,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:35,573 INFO L225 Difference]: With dead ends: 2457 [2022-09-16 10:19:35,573 INFO L226 Difference]: Without dead ends: 2457 [2022-09-16 10:19:35,574 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 10:19:35,577 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 39 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:35,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 131 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2022-09-16 10:19:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2457. [2022-09-16 10:19:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2457 states, 2445 states have (on average 2.665439672801636) internal successors, (6517), 2456 states have internal predecessors, (6517), 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 10:19:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 6517 transitions. [2022-09-16 10:19:35,744 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 6517 transitions. Word has length 48 [2022-09-16 10:19:35,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:35,745 INFO L495 AbstractCegarLoop]: Abstraction has 2457 states and 6517 transitions. [2022-09-16 10:19:35,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 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 10:19:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 6517 transitions. [2022-09-16 10:19:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:19:35,754 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:35,754 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 10:19:35,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:19:35,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:19:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:35,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1079790914, now seen corresponding path program 1 times [2022-09-16 10:19:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:35,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008731299] [2022-09-16 10:19:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:35,910 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 10:19:35,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:35,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008731299] [2022-09-16 10:19:35,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008731299] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:35,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:35,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:35,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249287281] [2022-09-16 10:19:35,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:35,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:35,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:35,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:35,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:35,913 INFO L87 Difference]: Start difference. First operand 2457 states and 6517 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 10:19:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:35,996 INFO L93 Difference]: Finished difference Result 2289 states and 6075 transitions. [2022-09-16 10:19:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:35,996 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 10:19:35,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:36,007 INFO L225 Difference]: With dead ends: 2289 [2022-09-16 10:19:36,007 INFO L226 Difference]: Without dead ends: 2289 [2022-09-16 10:19:36,010 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 10:19:36,012 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 123 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:36,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 137 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:19:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-09-16 10:19:36,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2022-09-16 10:19:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2283 states have (on average 2.6609724047306176) internal successors, (6075), 2288 states have internal predecessors, (6075), 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 10:19:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 6075 transitions. [2022-09-16 10:19:36,075 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 6075 transitions. Word has length 61 [2022-09-16 10:19:36,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:36,077 INFO L495 AbstractCegarLoop]: Abstraction has 2289 states and 6075 transitions. [2022-09-16 10:19:36,081 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 10:19:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 6075 transitions. [2022-09-16 10:19:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:19:36,087 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:36,087 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 10:19:36,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:19:36,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:19:36,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:36,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1079790913, now seen corresponding path program 1 times [2022-09-16 10:19:36,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:36,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610135300] [2022-09-16 10:19:36,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:36,196 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 10:19:36,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:36,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610135300] [2022-09-16 10:19:36,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610135300] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:36,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:36,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:36,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841072983] [2022-09-16 10:19:36,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:36,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:36,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:36,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:36,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:36,198 INFO L87 Difference]: Start difference. First operand 2289 states and 6075 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 10:19:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:36,273 INFO L93 Difference]: Finished difference Result 2121 states and 5633 transitions. [2022-09-16 10:19:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:36,274 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 10:19:36,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:36,279 INFO L225 Difference]: With dead ends: 2121 [2022-09-16 10:19:36,279 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:19:36,280 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 10:19:36,280 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 75 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:36,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 241 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:36,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:19:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:19:36,282 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 10:19:36,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:19:36,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-09-16 10:19:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:36,282 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:19:36,282 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 10:19:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:19:36,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:19:36,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-09-16 10:19:36,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-09-16 10:19:36,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-09-16 10:19:36,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-09-16 10:19:36,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-09-16 10:19:36,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-09-16 10:19:36,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-09-16 10:19:36,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-09-16 10:19:36,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-09-16 10:19:36,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-09-16 10:19:36,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:19:36,290 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 10:19:36,294 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:19:36,294 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:19:36,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:19:36 BasicIcfg [2022-09-16 10:19:36,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:19:36,301 INFO L158 Benchmark]: Toolchain (without parser) took 3395.22ms. Allocated memory is still 245.4MB. Free memory was 217.0MB in the beginning and 101.4MB in the end (delta: 115.6MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,302 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:19:36,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.45ms. Allocated memory is still 245.4MB. Free memory was 216.9MB in the beginning and 199.5MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.73ms. Allocated memory is still 245.4MB. Free memory was 199.5MB in the beginning and 196.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,304 INFO L158 Benchmark]: Boogie Preprocessor took 29.38ms. Allocated memory is still 245.4MB. Free memory was 196.4MB in the beginning and 194.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,304 INFO L158 Benchmark]: RCFGBuilder took 1221.89ms. Allocated memory is still 245.4MB. Free memory was 194.3MB in the beginning and 203.4MB in the end (delta: -9.0MB). Peak memory consumption was 73.3MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,305 INFO L158 Benchmark]: TraceAbstraction took 1612.54ms. Allocated memory is still 245.4MB. Free memory was 202.9MB in the beginning and 101.4MB in the end (delta: 101.5MB). Peak memory consumption was 101.5MB. Max. memory is 8.0GB. [2022-09-16 10:19:36,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 471.45ms. Allocated memory is still 245.4MB. Free memory was 216.9MB in the beginning and 199.5MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.73ms. Allocated memory is still 245.4MB. Free memory was 199.5MB in the beginning and 196.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.38ms. Allocated memory is still 245.4MB. Free memory was 196.4MB in the beginning and 194.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1221.89ms. Allocated memory is still 245.4MB. Free memory was 194.3MB in the beginning and 203.4MB in the end (delta: -9.0MB). Peak memory consumption was 73.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1612.54ms. Allocated memory is still 245.4MB. Free memory was 202.9MB in the beginning and 101.4MB in the end (delta: 101.5MB). Peak memory consumption was 101.5MB. 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: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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 5 procedures, 124 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 509 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 257 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 281 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3367occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:19:36,343 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...