/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/safe019_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:34:30,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:34:30,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:34:30,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:34:30,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:34:30,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:34:30,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:34:30,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:34:30,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:34:30,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:34:30,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:34:30,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:34:30,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:34:30,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:34:30,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:34:30,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:34:30,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:34:30,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:34:30,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:34:30,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:34:30,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:34:30,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:34:30,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:34:30,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:34:31,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:34:31,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:34:31,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:34:31,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:34:31,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:34:31,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:34:31,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:34:31,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:34:31,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:34:31,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:34:31,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:34:31,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:34:31,019 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 10:34:31,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:34:31,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:34:31,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:34:31,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:34:31,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:34:31,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:34:31,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:34:31,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:34:31,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:34:31,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:31,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:34:31,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:34:31,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:34:31,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:34:31,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:34:31,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:34:31,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:34:31,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:34:31,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:34:31,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:34:31,228 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:34:31,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2022-09-16 10:34:31,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897d2ca1a/7e20199349c94557b0d65df3b6de71b2/FLAG61b0d7abd [2022-09-16 10:34:31,688 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:34:31,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.oepc.i [2022-09-16 10:34:31,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897d2ca1a/7e20199349c94557b0d65df3b6de71b2/FLAG61b0d7abd [2022-09-16 10:34:32,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/897d2ca1a/7e20199349c94557b0d65df3b6de71b2 [2022-09-16 10:34:32,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:34:32,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:34:32,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:32,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:34:32,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:34:32,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b03888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32, skipping insertion in model container [2022-09-16 10:34:32,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:34:32,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:34:32,269 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/safe019_power.oepc.i[995,1008] [2022-09-16 10:34:32,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:32,421 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:34:32,429 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/safe019_power.oepc.i[995,1008] [2022-09-16 10:34:32,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:32,498 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:32,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32 WrapperNode [2022-09-16 10:34:32,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:32,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:32,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:32,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:32,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,573 INFO L138 Inliner]: procedures = 177, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 274 [2022-09-16 10:34:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:32,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:32,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:32,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:32,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:32,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:32,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:32,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:32,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (1/1) ... [2022-09-16 10:34:32,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:32,654 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 10:34:32,660 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 10:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:34:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:34:32,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:32,691 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 10:34:32,858 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:32,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:33,391 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:33,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:33,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:33,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:33 BoogieIcfgContainer [2022-09-16 10:34:33,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:33,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:33,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:33,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:33,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:34:32" (1/3) ... [2022-09-16 10:34:33,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1709d0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:33, skipping insertion in model container [2022-09-16 10:34:33,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:32" (2/3) ... [2022-09-16 10:34:33,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1709d0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:33, skipping insertion in model container [2022-09-16 10:34:33,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:33" (3/3) ... [2022-09-16 10:34:33,895 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.oepc.i [2022-09-16 10:34:33,902 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:33,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:33,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:34:33,909 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:33,983 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:34,023 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 168 places, 157 transitions, 334 flow [2022-09-16 10:34:39,637 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 216840 states, 216760 states have (on average 4.551780771360029) internal successors, (986644), 216839 states have internal predecessors, (986644), 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 10:34:39,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:39,667 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;@618ca054, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:39,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:34:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 216840 states, 216760 states have (on average 4.551780771360029) internal successors, (986644), 216839 states have internal predecessors, (986644), 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 10:34:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-09-16 10:34:40,481 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:40,482 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] [2022-09-16 10:34:40,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:40,486 INFO L85 PathProgramCache]: Analyzing trace with hash 255658371, now seen corresponding path program 1 times [2022-09-16 10:34:40,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:40,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353883405] [2022-09-16 10:34:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:40,804 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 10:34:40,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:40,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353883405] [2022-09-16 10:34:40,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353883405] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:40,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:40,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:40,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175124649] [2022-09-16 10:34:40,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:40,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:40,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:40,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:40,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:41,355 INFO L87 Difference]: Start difference. First operand has 216840 states, 216760 states have (on average 4.551780771360029) internal successors, (986644), 216839 states have internal predecessors, (986644), 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 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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 10:34:44,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:44,652 INFO L93 Difference]: Finished difference Result 176611 states and 777963 transitions. [2022-09-16 10:34:44,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:44,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2022-09-16 10:34:44,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:46,688 INFO L225 Difference]: With dead ends: 176611 [2022-09-16 10:34:46,688 INFO L226 Difference]: Without dead ends: 176611 [2022-09-16 10:34:46,689 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 10:34:46,692 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 61 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:46,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 203 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176611 states. [2022-09-16 10:34:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176611 to 176611. [2022-09-16 10:34:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176611 states, 176419 states have (on average 4.40974611578118) internal successors, (777963), 176610 states have internal predecessors, (777963), 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 10:34:56,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176611 states to 176611 states and 777963 transitions. [2022-09-16 10:34:56,369 INFO L78 Accepts]: Start accepts. Automaton has 176611 states and 777963 transitions. Word has length 70 [2022-09-16 10:34:56,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:56,371 INFO L495 AbstractCegarLoop]: Abstraction has 176611 states and 777963 transitions. [2022-09-16 10:34:56,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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 10:34:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 176611 states and 777963 transitions. [2022-09-16 10:34:56,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-09-16 10:34:56,374 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:56,374 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, 1] [2022-09-16 10:34:56,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:56,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:56,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:56,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1485039302, now seen corresponding path program 1 times [2022-09-16 10:34:56,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:56,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506943078] [2022-09-16 10:34:56,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:56,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:56,492 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 10:34:56,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:56,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506943078] [2022-09-16 10:34:56,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506943078] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:56,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:56,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:56,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760691390] [2022-09-16 10:34:56,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:56,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:56,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:56,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:56,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:56,495 INFO L87 Difference]: Start difference. First operand 176611 states and 777963 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 10:34:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:58,518 INFO L93 Difference]: Finished difference Result 163777 states and 685959 transitions. [2022-09-16 10:34:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:58,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2022-09-16 10:34:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:00,410 INFO L225 Difference]: With dead ends: 163777 [2022-09-16 10:35:00,411 INFO L226 Difference]: Without dead ends: 163777 [2022-09-16 10:35:00,411 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 10:35:00,412 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 249 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:00,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 260 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:01,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163777 states. [2022-09-16 10:35:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163777 to 155137. [2022-09-16 10:35:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155137 states, 155029 states have (on average 4.281553773810061) internal successors, (663765), 155136 states have internal predecessors, (663765), 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 10:35:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155137 states to 155137 states and 663765 transitions. [2022-09-16 10:35:08,428 INFO L78 Accepts]: Start accepts. Automaton has 155137 states and 663765 transitions. Word has length 80 [2022-09-16 10:35:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:08,429 INFO L495 AbstractCegarLoop]: Abstraction has 155137 states and 663765 transitions. [2022-09-16 10:35:08,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 10:35:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 155137 states and 663765 transitions. [2022-09-16 10:35:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-09-16 10:35:08,432 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:08,433 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, 1] [2022-09-16 10:35:08,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:35:08,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:08,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1485039301, now seen corresponding path program 1 times [2022-09-16 10:35:08,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:08,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144938969] [2022-09-16 10:35:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:08,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:08,543 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 10:35:08,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:08,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144938969] [2022-09-16 10:35:08,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144938969] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:08,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:08,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:08,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043788461] [2022-09-16 10:35:08,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:08,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:08,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:08,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:08,546 INFO L87 Difference]: Start difference. First operand 155137 states and 663765 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 10:35:09,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:09,987 INFO L93 Difference]: Finished difference Result 94630 states and 408219 transitions. [2022-09-16 10:35:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:09,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 80 [2022-09-16 10:35:09,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:11,304 INFO L225 Difference]: With dead ends: 94630 [2022-09-16 10:35:11,305 INFO L226 Difference]: Without dead ends: 94630 [2022-09-16 10:35:11,310 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 10:35:11,314 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 128 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:11,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 373 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:11,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94630 states. [2022-09-16 10:35:15,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94630 to 94630. [2022-09-16 10:35:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94630 states, 94600 states have (on average 4.315211416490486) internal successors, (408219), 94629 states have internal predecessors, (408219), 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 10:35:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94630 states to 94630 states and 408219 transitions. [2022-09-16 10:35:16,301 INFO L78 Accepts]: Start accepts. Automaton has 94630 states and 408219 transitions. Word has length 80 [2022-09-16 10:35:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:16,302 INFO L495 AbstractCegarLoop]: Abstraction has 94630 states and 408219 transitions. [2022-09-16 10:35:16,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 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 10:35:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 94630 states and 408219 transitions. [2022-09-16 10:35:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-09-16 10:35:16,309 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:16,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:35:16,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:35:16,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:16,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2137944918, now seen corresponding path program 1 times [2022-09-16 10:35:16,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:16,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247222722] [2022-09-16 10:35:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:16,390 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 10:35:16,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:16,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247222722] [2022-09-16 10:35:16,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247222722] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:16,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:16,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:35:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829972285] [2022-09-16 10:35:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:16,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:35:16,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:35:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:35:16,392 INFO L87 Difference]: Start difference. First operand 94630 states and 408219 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 10:35:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:17,353 INFO L93 Difference]: Finished difference Result 78889 states and 340683 transitions. [2022-09-16 10:35:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:35:17,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 92 [2022-09-16 10:35:17,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:18,147 INFO L225 Difference]: With dead ends: 78889 [2022-09-16 10:35:18,147 INFO L226 Difference]: Without dead ends: 78889 [2022-09-16 10:35:18,147 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 10:35:18,148 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 310 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:18,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 319 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78889 states. [2022-09-16 10:35:20,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78889 to 78889. [2022-09-16 10:35:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78889 states, 78877 states have (on average 4.3191678182486655) internal successors, (340683), 78888 states have internal predecessors, (340683), 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 10:35:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78889 states to 78889 states and 340683 transitions. [2022-09-16 10:35:21,301 INFO L78 Accepts]: Start accepts. Automaton has 78889 states and 340683 transitions. Word has length 92 [2022-09-16 10:35:21,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:21,301 INFO L495 AbstractCegarLoop]: Abstraction has 78889 states and 340683 transitions. [2022-09-16 10:35:21,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 10:35:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 78889 states and 340683 transitions. [2022-09-16 10:35:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-09-16 10:35:21,353 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:21,353 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, 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 10:35:21,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:35:21,354 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:21,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1871356418, now seen corresponding path program 1 times [2022-09-16 10:35:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:21,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181417752] [2022-09-16 10:35:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:21,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:21,925 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 10:35:21,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:21,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181417752] [2022-09-16 10:35:21,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181417752] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:21,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:21,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:35:21,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034528049] [2022-09-16 10:35:21,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:21,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:35:21,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:21,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:35:21,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:21,929 INFO L87 Difference]: Start difference. First operand 78889 states and 340683 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 10:35:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:22,866 INFO L93 Difference]: Finished difference Result 75433 states and 326967 transitions. [2022-09-16 10:35:22,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:35:22,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 103 [2022-09-16 10:35:22,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:22,870 INFO L225 Difference]: With dead ends: 75433 [2022-09-16 10:35:22,870 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:35:22,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:22,876 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 434 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:22,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 315 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:22,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:35:22,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:35:22,878 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 10:35:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:35:22,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-09-16 10:35:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:22,878 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:35:22,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 10:35:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:35:22,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:35:22,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:35:22,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:35:22,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:35:22,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:35:22,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:35:22,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:35:22,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:35:22,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:35:22,897 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:35:22,900 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:35:22,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:35:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:35:22 BasicIcfg [2022-09-16 10:35:22,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:35:22,906 INFO L158 Benchmark]: Toolchain (without parser) took 50816.74ms. Allocated memory was 175.1MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 117.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-09-16 10:35:22,906 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory was 135.3MB in the beginning and 135.3MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:35:22,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.37ms. Allocated memory is still 175.1MB. Free memory was 117.2MB in the beginning and 134.9MB in the end (delta: -17.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-09-16 10:35:22,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.47ms. Allocated memory is still 175.1MB. Free memory was 134.9MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:22,907 INFO L158 Benchmark]: Boogie Preprocessor took 35.73ms. Allocated memory is still 175.1MB. Free memory was 131.8MB in the beginning and 128.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:22,907 INFO L158 Benchmark]: RCFGBuilder took 1277.25ms. Allocated memory was 175.1MB in the beginning and 226.5MB in the end (delta: 51.4MB). Free memory was 128.9MB in the beginning and 143.1MB in the end (delta: -14.2MB). Peak memory consumption was 113.2MB. Max. memory is 8.0GB. [2022-09-16 10:35:22,907 INFO L158 Benchmark]: TraceAbstraction took 49016.18ms. Allocated memory was 226.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.6MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-09-16 10:35:22,908 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 175.1MB. Free memory was 135.3MB in the beginning and 135.3MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.37ms. Allocated memory is still 175.1MB. Free memory was 117.2MB in the beginning and 134.9MB in the end (delta: -17.7MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.47ms. Allocated memory is still 175.1MB. Free memory was 134.9MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.73ms. Allocated memory is still 175.1MB. Free memory was 131.8MB in the beginning and 128.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1277.25ms. Allocated memory was 175.1MB in the beginning and 226.5MB in the end (delta: 51.4MB). Free memory was 128.9MB in the beginning and 143.1MB in the end (delta: -14.2MB). Peak memory consumption was 113.2MB. Max. memory is 8.0GB. * TraceAbstraction took 49016.18ms. Allocated memory was 226.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 142.6MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. 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: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 839]: 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 9 procedures, 196 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 48.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1182 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1182 mSDsluCounter, 1470 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 845 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 707 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216840occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 25.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 1180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:35:22,933 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...