/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/mix001.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:19:32,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:19:32,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:19:32,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:19:32,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:19:32,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:19:32,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:19:32,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:19:32,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:19:32,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:19:32,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:19:32,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:19:32,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:19:32,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:19:32,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:19:32,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:19:32,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:19:32,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:19:32,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:19:32,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:19:32,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:19:32,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:19:32,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:19:32,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:19:32,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:19:32,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:19:32,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:19:32,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:19:32,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:19:32,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:19:32,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:19:32,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:19:32,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:19:32,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:19:32,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:19:32,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:19:32,642 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 10:19:32,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:19:32,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:19:32,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:19:32,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:19:32,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:19:32,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:19:32,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:19:32,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:19:32,661 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:19:32,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:19:32,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:19:32,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:19:32,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:19:32,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:19:32,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:19:32,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:19:32,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:32,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:19:32,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:19:32,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:19:32,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:19:32,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:19:32,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:19:32,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:19:32,879 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:19:32,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix001.oepc.i [2022-09-16 10:19:32,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63c6114e/55d53b57eaf34278862307f3f662e4fb/FLAGedc7f83f2 [2022-09-16 10:19:33,369 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:19:33,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix001.oepc.i [2022-09-16 10:19:33,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63c6114e/55d53b57eaf34278862307f3f662e4fb/FLAGedc7f83f2 [2022-09-16 10:19:33,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63c6114e/55d53b57eaf34278862307f3f662e4fb [2022-09-16 10:19:33,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:19:33,391 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:19:33,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:33,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:19:33,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:19:33,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34314be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33, skipping insertion in model container [2022-09-16 10:19:33,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:19:33" (1/1) ... [2022-09-16 10:19:33,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:19:33,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:19:33,644 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/mix001.oepc.i[988,1001] [2022-09-16 10:19:33,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:33,838 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:19:33,847 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/mix001.oepc.i[988,1001] [2022-09-16 10:19:33,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:19:33,909 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:19:33,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:19:33 WrapperNode [2022-09-16 10:19:33,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:19:33,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:33,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:19:33,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:19:33,915 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 10:19:33,930 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 10:19:33,952 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 284 [2022-09-16 10:19:33,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:19:33,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:19:33,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:19:33,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:19:33,958 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 10:19:33,958 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 10:19:33,962 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 10:19:33,962 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 10:19:33,978 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 10:19:33,985 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 10:19:33,988 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 10:19:34,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:19:34,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:19:34,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:19:34,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:19:34,004 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 10:19:34,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:19:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:19:34,028 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 10:19:34,046 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 10:19:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:19:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:19:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:19:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:19:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:19:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:19:34,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:19:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:19:34,058 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:19:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:19:34,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:19:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:19:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:19:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:19:34,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:19:34,061 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 10:19:34,204 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:19:34,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:19:34,734 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:19:35,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:19:35,062 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:19:35,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:35 BoogieIcfgContainer [2022-09-16 10:19:35,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:19:35,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:19:35,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:19:35,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:19:35,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:19:33" (1/3) ... [2022-09-16 10:19:35,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6852f1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:35, skipping insertion in model container [2022-09-16 10:19:35,070 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 10:19:35,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6852f1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:19:35, skipping insertion in model container [2022-09-16 10:19:35,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:19:35" (3/3) ... [2022-09-16 10:19:35,071 INFO L112 eAbstractionObserver]: Analyzing ICFG mix001.oepc.i [2022-09-16 10:19:35,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:19:35,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:19:35,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:19:35,084 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:19:35,147 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:19:35,178 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 126 transitions, 267 flow [2022-09-16 10:19:36,294 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 41395 states, 41369 states have (on average 3.7305228552781067) internal successors, (154328), 41394 states have internal predecessors, (154328), 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 10:19:36,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:19:36,332 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;@639a998e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:19:36,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:19:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 41395 states, 41369 states have (on average 3.7305228552781067) internal successors, (154328), 41394 states have internal predecessors, (154328), 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 10:19:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:19:36,410 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:36,410 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] [2022-09-16 10:19:36,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1962493947, now seen corresponding path program 1 times [2022-09-16 10:19:36,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:36,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871882913] [2022-09-16 10:19:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:36,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:36,783 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 10:19:36,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:36,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871882913] [2022-09-16 10:19:36,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871882913] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:36,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:36,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:19:36,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631220154] [2022-09-16 10:19:36,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:36,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:19:36,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:36,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:19:36,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:19:36,876 INFO L87 Difference]: Start difference. First operand has 41395 states, 41369 states have (on average 3.7305228552781067) internal successors, (154328), 41394 states have internal predecessors, (154328), 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 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 10:19:37,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:37,499 INFO L93 Difference]: Finished difference Result 31001 states and 111027 transitions. [2022-09-16 10:19:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:19:37,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2022-09-16 10:19:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:37,803 INFO L225 Difference]: With dead ends: 31001 [2022-09-16 10:19:37,803 INFO L226 Difference]: Without dead ends: 31001 [2022-09-16 10:19:37,805 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 10:19:37,818 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 53 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:37,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 165 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31001 states. [2022-09-16 10:19:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31001 to 31001. [2022-09-16 10:19:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31001 states, 30947 states have (on average 3.5876498529744403) internal successors, (111027), 31000 states have internal predecessors, (111027), 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 10:19:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31001 states to 31001 states and 111027 transitions. [2022-09-16 10:19:39,085 INFO L78 Accepts]: Start accepts. Automaton has 31001 states and 111027 transitions. Word has length 53 [2022-09-16 10:19:39,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:39,086 INFO L495 AbstractCegarLoop]: Abstraction has 31001 states and 111027 transitions. [2022-09-16 10:19:39,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 10:19:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31001 states and 111027 transitions. [2022-09-16 10:19:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:19:39,096 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:39,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:39,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:19:39,096 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 10:19:39,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1191044859, now seen corresponding path program 1 times [2022-09-16 10:19:39,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:39,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052597290] [2022-09-16 10:19:39,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:39,209 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 10:19:39,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:39,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052597290] [2022-09-16 10:19:39,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052597290] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:39,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:39,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:39,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669430382] [2022-09-16 10:19:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:39,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:39,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:39,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:39,212 INFO L87 Difference]: Start difference. First operand 31001 states and 111027 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:19:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:39,629 INFO L93 Difference]: Finished difference Result 27719 states and 98063 transitions. [2022-09-16 10:19:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:39,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:19:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:39,735 INFO L225 Difference]: With dead ends: 27719 [2022-09-16 10:19:39,736 INFO L226 Difference]: Without dead ends: 27719 [2022-09-16 10:19:39,739 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 10:19:39,740 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 152 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:39,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 221 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27719 states. [2022-09-16 10:19:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27719 to 26909. [2022-09-16 10:19:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26909 states, 26882 states have (on average 3.578602782531062) internal successors, (96200), 26908 states have internal predecessors, (96200), 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 10:19:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26909 states to 26909 states and 96200 transitions. [2022-09-16 10:19:40,891 INFO L78 Accepts]: Start accepts. Automaton has 26909 states and 96200 transitions. Word has length 66 [2022-09-16 10:19:40,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:40,892 INFO L495 AbstractCegarLoop]: Abstraction has 26909 states and 96200 transitions. [2022-09-16 10:19:40,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:19:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 26909 states and 96200 transitions. [2022-09-16 10:19:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:19:40,893 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:40,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:40,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:19:40,894 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 10:19:40,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1191044860, now seen corresponding path program 1 times [2022-09-16 10:19:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:40,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955800203] [2022-09-16 10:19:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:40,961 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 10:19:40,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:40,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955800203] [2022-09-16 10:19:40,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955800203] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:40,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:40,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:19:40,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822857458] [2022-09-16 10:19:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:40,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:19:40,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:19:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:19:40,963 INFO L87 Difference]: Start difference. First operand 26909 states and 96200 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:19:41,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:41,174 INFO L93 Difference]: Finished difference Result 22547 states and 80662 transitions. [2022-09-16 10:19:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:19:41,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:19:41,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:41,416 INFO L225 Difference]: With dead ends: 22547 [2022-09-16 10:19:41,416 INFO L226 Difference]: Without dead ends: 22547 [2022-09-16 10:19:41,417 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 10:19:41,417 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 108 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:41,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 303 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:41,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22547 states. [2022-09-16 10:19:41,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22547 to 22547. [2022-09-16 10:19:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22538 states have (on average 3.5789333569970716) internal successors, (80662), 22546 states have internal predecessors, (80662), 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 10:19:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 80662 transitions. [2022-09-16 10:19:42,021 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 80662 transitions. Word has length 66 [2022-09-16 10:19:42,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:42,021 INFO L495 AbstractCegarLoop]: Abstraction has 22547 states and 80662 transitions. [2022-09-16 10:19:42,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:19:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 80662 transitions. [2022-09-16 10:19:42,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-09-16 10:19:42,047 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:19:42,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:19:42,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:19:42,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:19:42,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:19:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash 998952915, now seen corresponding path program 1 times [2022-09-16 10:19:42,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:19:42,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757547391] [2022-09-16 10:19:42,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:19:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:19:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:19:42,167 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 10:19:42,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:19:42,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757547391] [2022-09-16 10:19:42,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757547391] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:19:42,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:19:42,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:19:42,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376110830] [2022-09-16 10:19:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:19:42,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:19:42,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:19:42,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:19:42,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:19:42,170 INFO L87 Difference]: Start difference. First operand 22547 states and 80662 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 10:19:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:19:42,516 INFO L93 Difference]: Finished difference Result 21737 states and 77989 transitions. [2022-09-16 10:19:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:19:42,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2022-09-16 10:19:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:19:42,518 INFO L225 Difference]: With dead ends: 21737 [2022-09-16 10:19:42,518 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:19:42,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:19:42,519 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 213 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:19:42,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 226 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:19:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:19:42,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:19:42,520 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 10:19:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:19:42,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2022-09-16 10:19:42,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:19:42,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:19:42,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 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 10:19:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:19:42,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:19:42,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:19:42,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:19:42,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:19:42,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:19:42,526 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:19:42,529 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:19:42,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:19:42,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:19:42 BasicIcfg [2022-09-16 10:19:42,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:19:42,531 INFO L158 Benchmark]: Toolchain (without parser) took 9140.38ms. Allocated memory was 255.9MB in the beginning and 5.2GB in the end (delta: 4.9GB). Free memory was 223.1MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 676.9MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,532 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 210.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:19:42,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.47ms. Allocated memory was 255.9MB in the beginning and 356.5MB in the end (delta: 100.7MB). Free memory was 222.8MB in the beginning and 309.7MB in the end (delta: -86.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.48ms. Allocated memory is still 356.5MB. Free memory was 309.7MB in the beginning and 306.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,532 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 356.5MB. Free memory was 306.6MB in the beginning and 303.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,533 INFO L158 Benchmark]: RCFGBuilder took 1062.23ms. Allocated memory is still 356.5MB. Free memory was 303.8MB in the beginning and 220.5MB in the end (delta: 83.3MB). Peak memory consumption was 84.5MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,533 INFO L158 Benchmark]: TraceAbstraction took 7464.85ms. Allocated memory was 356.5MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 220.0MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 573.6MB. Max. memory is 8.0GB. [2022-09-16 10:19:42,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory is still 210.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 517.47ms. Allocated memory was 255.9MB in the beginning and 356.5MB in the end (delta: 100.7MB). Free memory was 222.8MB in the beginning and 309.7MB in the end (delta: -86.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.48ms. Allocated memory is still 356.5MB. Free memory was 309.7MB in the beginning and 306.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 356.5MB. Free memory was 306.6MB in the beginning and 303.8MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1062.23ms. Allocated memory is still 356.5MB. Free memory was 303.8MB in the beginning and 220.5MB in the end (delta: 83.3MB). Peak memory consumption was 84.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7464.85ms. Allocated memory was 356.5MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 220.0MB in the beginning and 4.5GB in the end (delta: -4.2GB). Peak memory consumption was 573.6MB. 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: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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, 161 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 526 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 526 mSDsluCounter, 915 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 454 mSDtfsCounter, 187 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=41395occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:19:42,573 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...