/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/mix055_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:32:23,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:32:23,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:32:23,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:32:23,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:32:23,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:32:23,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:32:23,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:32:23,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:32:23,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:32:23,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:32:23,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:32:23,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:32:23,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:32:23,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:32:23,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:32:23,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:32:23,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:32:23,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:32:23,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:32:23,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:32:23,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:32:23,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:32:23,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:32:23,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:32:23,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:32:23,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:32:23,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:32:23,892 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 10:32:23,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:32:23,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:32:23,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:32:23,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:32:23,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:32:23,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:32:23,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:32:23,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:32:23,937 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:32:23,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:32:23,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:32:23,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:32:23,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:32:23,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:32:23,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:32:23,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:32:23,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:32:23,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:32:23,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:32:23,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:32:23,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:32:23,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:32:24,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:32:24,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:32:24,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:32:24,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:32:24,243 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:32:24,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:32:24,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c7b08d/455824550e044572a8833b5cc814ac17/FLAG3ca9753e0 [2022-09-16 10:32:24,769 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:32:24,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:32:24,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c7b08d/455824550e044572a8833b5cc814ac17/FLAG3ca9753e0 [2022-09-16 10:32:25,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/404c7b08d/455824550e044572a8833b5cc814ac17 [2022-09-16 10:32:25,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:32:25,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:32:25,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:32:25,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:32:25,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:32:25,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:25,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af9fcd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25, skipping insertion in model container [2022-09-16 10:32:25,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:25,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:32:25,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:32:25,583 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/mix055_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:32:25,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:32:25,835 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:32:25,847 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/mix055_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:32:25,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:32:25,954 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:32:25,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25 WrapperNode [2022-09-16 10:32:25,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:32:25,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:32:25,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:32:25,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:32:25,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:25,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,033 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2022-09-16 10:32:26,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:32:26,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:32:26,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:32:26,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:32:26,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:32:26,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:32:26,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:32:26,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:32:26,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (1/1) ... [2022-09-16 10:32:26,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:32:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:32:26,121 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 10:32:26,148 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 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:32:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:32:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:32:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:32:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:32:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:32:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:32:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:32:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:32:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:32:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:32:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:32:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:32:26,174 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 10:32:26,383 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:32:26,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:32:26,948 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:32:27,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:32:27,384 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:32:27,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:32:27 BoogieIcfgContainer [2022-09-16 10:32:27,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:32:27,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:32:27,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:32:27,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:32:27,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:32:25" (1/3) ... [2022-09-16 10:32:27,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00c685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:32:27, skipping insertion in model container [2022-09-16 10:32:27,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:25" (2/3) ... [2022-09-16 10:32:27,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00c685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:32:27, skipping insertion in model container [2022-09-16 10:32:27,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:32:27" (3/3) ... [2022-09-16 10:32:27,395 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:32:27,406 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:32:27,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:32:27,416 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:32:27,416 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:32:27,516 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:32:27,568 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 152 places, 141 transitions, 302 flow [2022-09-16 10:32:38,380 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 335143 states, 335063 states have (on average 4.603889417810979) internal successors, (1542593), 335142 states have internal predecessors, (1542593), 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 10:32:38,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:32:38,426 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;@7ed8789b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:32:38,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:32:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 335143 states, 335063 states have (on average 4.603889417810979) internal successors, (1542593), 335142 states have internal predecessors, (1542593), 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 10:32:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-09-16 10:32:39,062 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:32:39,063 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] [2022-09-16 10:32:39,064 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 10:32:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:32:39,069 INFO L85 PathProgramCache]: Analyzing trace with hash 146140955, now seen corresponding path program 1 times [2022-09-16 10:32:39,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:32:39,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331400489] [2022-09-16 10:32:39,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:32:39,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:32:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:32:39,433 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 10:32:39,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:32:39,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331400489] [2022-09-16 10:32:39,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331400489] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:32:39,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:32:39,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:32:39,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436367965] [2022-09-16 10:32:39,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:32:39,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:32:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:32:39,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:32:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:32:40,240 INFO L87 Difference]: Start difference. First operand has 335143 states, 335063 states have (on average 4.603889417810979) internal successors, (1542593), 335142 states have internal predecessors, (1542593), 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 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 10:32:46,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:32:46,706 INFO L93 Difference]: Finished difference Result 266684 states and 1188140 transitions. [2022-09-16 10:32:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:32:46,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-09-16 10:32:46,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:32:51,275 INFO L225 Difference]: With dead ends: 266684 [2022-09-16 10:32:51,276 INFO L226 Difference]: Without dead ends: 266684 [2022-09-16 10:32:51,287 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 10:32:51,320 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 64 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:32:51,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 187 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:32:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266684 states. [2022-09-16 10:33:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266684 to 266684. [2022-09-16 10:33:06,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266684 states, 266492 states have (on average 4.458445281659487) internal successors, (1188140), 266683 states have internal predecessors, (1188140), 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 10:33:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266684 states to 266684 states and 1188140 transitions. [2022-09-16 10:33:09,455 INFO L78 Accepts]: Start accepts. Automaton has 266684 states and 1188140 transitions. Word has length 51 [2022-09-16 10:33:09,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:09,455 INFO L495 AbstractCegarLoop]: Abstraction has 266684 states and 1188140 transitions. [2022-09-16 10:33:09,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 10:33:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 266684 states and 1188140 transitions. [2022-09-16 10:33:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-09-16 10:33:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:09,460 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] [2022-09-16 10:33:09,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:33:09,461 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 10:33:09,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1913320321, now seen corresponding path program 1 times [2022-09-16 10:33:09,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:09,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135322861] [2022-09-16 10:33:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:09,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:09,548 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 10:33:09,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:09,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135322861] [2022-09-16 10:33:09,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135322861] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:09,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:09,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221422586] [2022-09-16 10:33:09,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:09,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:09,552 INFO L87 Difference]: Start difference. First operand 266684 states and 1188140 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 10:33:14,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:14,489 INFO L93 Difference]: Finished difference Result 243164 states and 1042116 transitions. [2022-09-16 10:33:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:14,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 63 [2022-09-16 10:33:14,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:19,209 INFO L225 Difference]: With dead ends: 243164 [2022-09-16 10:33:19,214 INFO L226 Difference]: Without dead ends: 243164 [2022-09-16 10:33:19,215 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 10:33:19,216 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 237 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:19,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 246 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:20,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243164 states. [2022-09-16 10:33:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243164 to 234524. [2022-09-16 10:33:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234524 states, 234416 states have (on average 4.350906081496143) internal successors, (1019922), 234523 states have internal predecessors, (1019922), 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 10:33:39,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234524 states to 234524 states and 1019922 transitions. [2022-09-16 10:33:39,125 INFO L78 Accepts]: Start accepts. Automaton has 234524 states and 1019922 transitions. Word has length 63 [2022-09-16 10:33:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:39,127 INFO L495 AbstractCegarLoop]: Abstraction has 234524 states and 1019922 transitions. [2022-09-16 10:33:39,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 10:33:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 234524 states and 1019922 transitions. [2022-09-16 10:33:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-09-16 10:33:39,138 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:39,138 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] [2022-09-16 10:33:39,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:33:39,139 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 10:33:39,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:39,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1913320320, now seen corresponding path program 1 times [2022-09-16 10:33:39,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:39,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476800271] [2022-09-16 10:33:39,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:39,336 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 10:33:39,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:39,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476800271] [2022-09-16 10:33:39,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476800271] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:39,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:39,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:39,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398819944] [2022-09-16 10:33:39,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:39,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:39,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:39,339 INFO L87 Difference]: Start difference. First operand 234524 states and 1019922 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 10:33:42,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:42,836 INFO L93 Difference]: Finished difference Result 155267 states and 683344 transitions. [2022-09-16 10:33:42,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:42,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 63 [2022-09-16 10:33:42,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:45,624 INFO L225 Difference]: With dead ends: 155267 [2022-09-16 10:33:45,624 INFO L226 Difference]: Without dead ends: 155267 [2022-09-16 10:33:45,624 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 10:33:45,629 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 133 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:45,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 341 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:33:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155267 states. [2022-09-16 10:33:54,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155267 to 155267. [2022-09-16 10:33:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155267 states, 155237 states have (on average 4.401940259087717) internal successors, (683344), 155266 states have internal predecessors, (683344), 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 10:33:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155267 states to 155267 states and 683344 transitions. [2022-09-16 10:33:57,165 INFO L78 Accepts]: Start accepts. Automaton has 155267 states and 683344 transitions. Word has length 63 [2022-09-16 10:33:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:57,167 INFO L495 AbstractCegarLoop]: Abstraction has 155267 states and 683344 transitions. [2022-09-16 10:33:57,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 10:33:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 155267 states and 683344 transitions. [2022-09-16 10:33:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:33:57,192 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:57,195 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] [2022-09-16 10:33:57,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:57,197 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 10:33:57,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:57,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1158839630, now seen corresponding path program 1 times [2022-09-16 10:33:57,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:57,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098920664] [2022-09-16 10:33:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:57,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:57,389 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 10:33:57,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098920664] [2022-09-16 10:33:57,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098920664] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:57,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:57,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:57,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482590852] [2022-09-16 10:33:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:57,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:57,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:57,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:57,392 INFO L87 Difference]: Start difference. First operand 155267 states and 683344 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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)