/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.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:32:19,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:32:19,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:32:19,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:32:19,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:32:19,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:32:19,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:32:19,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:32:19,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:32:19,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:32:19,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:32:19,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:32:19,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:32:19,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:32:19,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:32:19,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:32:19,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:32:19,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:32:19,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:32:19,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:32:19,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:32:19,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:32:19,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:32:19,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:32:19,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:32:19,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:32:19,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:32:19,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:32:19,843 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 10:32:19,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:32:19,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:32:19,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:32:19,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:32:19,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:32:19,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:32:19,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:32:19,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:32:19,874 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:32:19,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:32:19,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:32:19,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:32:19,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:32:19,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:32:19,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:32:19,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:32:19,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:32:20,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:32:20,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:32:20,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:32:20,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:32:20,159 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:32:20,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055.opt.i [2022-09-16 10:32:20,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008b40d4f/3ece06ec708b413db0a7a2f1c7016b3f/FLAG9f40996dd [2022-09-16 10:32:20,723 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:32:20,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055.opt.i [2022-09-16 10:32:20,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008b40d4f/3ece06ec708b413db0a7a2f1c7016b3f/FLAG9f40996dd [2022-09-16 10:32:21,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/008b40d4f/3ece06ec708b413db0a7a2f1c7016b3f [2022-09-16 10:32:21,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:32:21,252 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:32:21,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:32:21,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:32:21,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:32:21,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a24066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21, skipping insertion in model container [2022-09-16 10:32:21,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:32:21,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:32:21,487 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.opt.i[944,957] [2022-09-16 10:32:21,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:32:21,717 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:32:21,732 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.opt.i[944,957] [2022-09-16 10:32:21,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:32:21,829 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:32:21,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21 WrapperNode [2022-09-16 10:32:21,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:32:21,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:32:21,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:32:21,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:32:21,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,929 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 292 [2022-09-16 10:32:21,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:32:21,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:32:21,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:32:21,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:32:21,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:21,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:32:21,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:32:21,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:32:21,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:32:22,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (1/1) ... [2022-09-16 10:32:22,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:32:22,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:32:22,037 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 10:32:22,063 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 10:32:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:32:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:32:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:32:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:32:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:32:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:32:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:32:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:32:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:32:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:32:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:32:22,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:32:22,090 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 10:32:22,257 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:32:22,258 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:32:22,743 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:32:23,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:32:23,106 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:32:23,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:32:23 BoogieIcfgContainer [2022-09-16 10:32:23,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:32:23,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:32:23,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:32:23,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:32:23,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:32:21" (1/3) ... [2022-09-16 10:32:23,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:32:23, skipping insertion in model container [2022-09-16 10:32:23,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:32:21" (2/3) ... [2022-09-16 10:32:23,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779f2e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:32:23, skipping insertion in model container [2022-09-16 10:32:23,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:32:23" (3/3) ... [2022-09-16 10:32:23,116 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055.opt.i [2022-09-16 10:32:23,125 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:32:23,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:32:23,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:32:23,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:32:23,230 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:32:23,273 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 150 places, 139 transitions, 298 flow [2022-09-16 10:32:31,368 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 270973 states, 270893 states have (on average 4.58072744589192) internal successors, (1240887), 270972 states have internal predecessors, (1240887), 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 10:32:31,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:32:31,407 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;@2afd3639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:32:31,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:32:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 270973 states, 270893 states have (on average 4.58072744589192) internal successors, (1240887), 270972 states have internal predecessors, (1240887), 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 10:32:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:32:31,947 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:32:31,948 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] [2022-09-16 10:32:31,948 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 10:32:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:32:31,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1416515045, now seen corresponding path program 1 times [2022-09-16 10:32:31,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:32:31,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333188047] [2022-09-16 10:32:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:32:31,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:32:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:32:32,272 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 10:32:32,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:32:32,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333188047] [2022-09-16 10:32:32,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333188047] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:32:32,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:32:32,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:32:32,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875473448] [2022-09-16 10:32:32,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:32:32,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:32:32,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:32:32,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:32:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:32:32,953 INFO L87 Difference]: Start difference. First operand has 270973 states, 270893 states have (on average 4.58072744589192) internal successors, (1240887), 270972 states have internal predecessors, (1240887), 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 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:32:38,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:32:38,791 INFO L93 Difference]: Finished difference Result 217948 states and 966034 transitions. [2022-09-16 10:32:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:32:38,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2022-09-16 10:32:38,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:32:41,955 INFO L225 Difference]: With dead ends: 217948 [2022-09-16 10:32:41,955 INFO L226 Difference]: Without dead ends: 217948 [2022-09-16 10:32:41,957 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 10:32:41,963 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 63 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 187 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 10:32:41,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 187 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:32:43,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217948 states. [2022-09-16 10:32:53,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217948 to 217948. [2022-09-16 10:32:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217948 states, 217756 states have (on average 4.436314039567222) internal successors, (966034), 217947 states have internal predecessors, (966034), 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 10:32:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217948 states to 217948 states and 966034 transitions. [2022-09-16 10:32:57,548 INFO L78 Accepts]: Start accepts. Automaton has 217948 states and 966034 transitions. Word has length 50 [2022-09-16 10:32:57,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:32:57,549 INFO L495 AbstractCegarLoop]: Abstraction has 217948 states and 966034 transitions. [2022-09-16 10:32:57,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 10:32:57,550 INFO L276 IsEmpty]: Start isEmpty. Operand 217948 states and 966034 transitions. [2022-09-16 10:32:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:32:57,557 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:32:57,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:32:57,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:32:57,558 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:32:57,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:32:57,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1370379578, now seen corresponding path program 1 times [2022-09-16 10:32:57,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:32:57,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737003242] [2022-09-16 10:32:57,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:32:57,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:32:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:32:57,641 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 10:32:57,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:32:57,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737003242] [2022-09-16 10:32:57,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737003242] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:32:57,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:32:57,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:32:57,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141351518] [2022-09-16 10:32:57,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:32:57,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:32:57,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:32:57,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:32:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:32:57,644 INFO L87 Difference]: Start difference. First operand 217948 states and 966034 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:33:01,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:01,476 INFO L93 Difference]: Finished difference Result 200080 states and 848432 transitions. [2022-09-16 10:33:01,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:01,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:33:01,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:03,850 INFO L225 Difference]: With dead ends: 200080 [2022-09-16 10:33:03,850 INFO L226 Difference]: Without dead ends: 200080 [2022-09-16 10:33:03,855 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 10:33:03,858 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 224 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 246 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 10:33:03,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 246 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200080 states. [2022-09-16 10:33:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200080 to 191440. [2022-09-16 10:33:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191440 states, 191332 states have (on average 4.318347166182343) internal successors, (826238), 191439 states have internal predecessors, (826238), 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 10:33:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191440 states to 191440 states and 826238 transitions. [2022-09-16 10:33:17,751 INFO L78 Accepts]: Start accepts. Automaton has 191440 states and 826238 transitions. Word has length 61 [2022-09-16 10:33:17,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:17,753 INFO L495 AbstractCegarLoop]: Abstraction has 191440 states and 826238 transitions. [2022-09-16 10:33:17,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:33:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 191440 states and 826238 transitions. [2022-09-16 10:33:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:33:17,756 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:17,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:33:17,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:33:17,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:33:17,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:17,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1370379577, now seen corresponding path program 1 times [2022-09-16 10:33:17,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:17,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004550647] [2022-09-16 10:33:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:17,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:17,897 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 10:33:17,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:17,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004550647] [2022-09-16 10:33:17,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004550647] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:17,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:17,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612389935] [2022-09-16 10:33:17,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:17,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:17,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:17,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:17,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:17,900 INFO L87 Difference]: Start difference. First operand 191440 states and 826238 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:33:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:20,757 INFO L93 Difference]: Finished difference Result 121867 states and 531588 transitions. [2022-09-16 10:33:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:20,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-09-16 10:33:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:22,770 INFO L225 Difference]: With dead ends: 121867 [2022-09-16 10:33:22,770 INFO L226 Difference]: Without dead ends: 121867 [2022-09-16 10:33:22,773 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 10:33:22,777 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 131 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 341 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 10:33:22,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 341 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:23,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121867 states. [2022-09-16 10:33:28,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121867 to 121867. [2022-09-16 10:33:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121867 states, 121837 states have (on average 4.363108087034316) internal successors, (531588), 121866 states have internal predecessors, (531588), 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 10:33:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121867 states to 121867 states and 531588 transitions. [2022-09-16 10:33:30,407 INFO L78 Accepts]: Start accepts. Automaton has 121867 states and 531588 transitions. Word has length 61 [2022-09-16 10:33:30,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:30,412 INFO L495 AbstractCegarLoop]: Abstraction has 121867 states and 531588 transitions. [2022-09-16 10:33:30,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:33:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 121867 states and 531588 transitions. [2022-09-16 10:33:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-09-16 10:33:30,444 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:30,444 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] [2022-09-16 10:33:30,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:30,444 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 10:33:30,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:30,446 INFO L85 PathProgramCache]: Analyzing trace with hash -451956937, now seen corresponding path program 1 times [2022-09-16 10:33:30,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:30,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673621116] [2022-09-16 10:33:30,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:30,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:30,649 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 10:33:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:30,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673621116] [2022-09-16 10:33:30,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673621116] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:30,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:30,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:30,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916519821] [2022-09-16 10:33:30,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:30,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:30,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:30,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:30,651 INFO L87 Difference]: Start difference. First operand 121867 states and 531588 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:33:33,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:33,198 INFO L93 Difference]: Finished difference Result 104398 states and 456618 transitions. [2022-09-16 10:33:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:33:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2022-09-16 10:33:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:34,689 INFO L225 Difference]: With dead ends: 104398 [2022-09-16 10:33:34,690 INFO L226 Difference]: Without dead ends: 104398 [2022-09-16 10:33:34,690 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 10:33:34,691 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 238 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:34,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 315 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:33:35,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104398 states. [2022-09-16 10:33:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104398 to 104398. [2022-09-16 10:33:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104398 states, 104386 states have (on average 4.374322227118579) internal successors, (456618), 104397 states have internal predecessors, (456618), 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 10:33:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104398 states to 104398 states and 456618 transitions. [2022-09-16 10:33:42,011 INFO L78 Accepts]: Start accepts. Automaton has 104398 states and 456618 transitions. Word has length 73 [2022-09-16 10:33:42,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:42,011 INFO L495 AbstractCegarLoop]: Abstraction has 104398 states and 456618 transitions. [2022-09-16 10:33:42,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:33:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 104398 states and 456618 transitions. [2022-09-16 10:33:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:33:42,193 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:42,194 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] [2022-09-16 10:33:42,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:33:42,194 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:33:42,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:42,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1595108296, now seen corresponding path program 1 times [2022-09-16 10:33:42,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:42,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812721246] [2022-09-16 10:33:42,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:42,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:42,387 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 10:33:42,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:42,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812721246] [2022-09-16 10:33:42,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812721246] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:42,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:42,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:33:42,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131912404] [2022-09-16 10:33:42,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:42,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:33:42,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:42,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:33:42,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:33:42,390 INFO L87 Difference]: Start difference. First operand 104398 states and 456618 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 10:33:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:44,230 INFO L93 Difference]: Finished difference Result 100942 states and 442902 transitions. [2022-09-16 10:33:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:33:44,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 85 [2022-09-16 10:33:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:44,232 INFO L225 Difference]: With dead ends: 100942 [2022-09-16 10:33:44,232 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:33:44,232 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 10:33:44,235 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 386 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:44,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 311 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:33:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:33:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:33:44,236 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 10:33:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:33:44,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-09-16 10:33:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:44,237 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:33:44,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 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 10:33:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:33:44,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:33:44,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:33:44,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:33:44,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:33:44,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:33:44,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:33:44,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:33:44,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:33:44,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:33:44,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:33:44,245 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:33:44,249 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:33:44,249 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:33:44,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:33:44 BasicIcfg [2022-09-16 10:33:44,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:33:44,252 INFO L158 Benchmark]: Toolchain (without parser) took 83000.07ms. Allocated memory was 180.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 151.3MB in the beginning and 3.8GB in the end (delta: -3.6GB). Peak memory consumption was 4.2GB. Max. memory is 8.0GB. [2022-09-16 10:33:44,253 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 180.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:33:44,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.29ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 151.1MB in the beginning and 221.7MB in the end (delta: -70.6MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.75ms. Allocated memory is still 266.3MB. Free memory was 221.7MB in the beginning and 218.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,253 INFO L158 Benchmark]: Boogie Preprocessor took 60.12ms. Allocated memory is still 266.3MB. Free memory was 218.6MB in the beginning and 216.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,254 INFO L158 Benchmark]: RCFGBuilder took 1116.26ms. Allocated memory is still 266.3MB. Free memory was 216.5MB in the beginning and 122.6MB in the end (delta: 93.8MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. [2022-09-16 10:33:44,254 INFO L158 Benchmark]: TraceAbstraction took 81141.87ms. Allocated memory was 266.3MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 121.6MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2022-09-16 10:33:44,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 180.4MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 576.29ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 151.1MB in the beginning and 221.7MB in the end (delta: -70.6MB). Peak memory consumption was 20.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 99.75ms. Allocated memory is still 266.3MB. Free memory was 221.7MB in the beginning and 218.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.12ms. Allocated memory is still 266.3MB. Free memory was 218.6MB in the beginning and 216.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1116.26ms. Allocated memory is still 266.3MB. Free memory was 216.5MB in the beginning and 122.6MB in the end (delta: 93.8MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. * TraceAbstraction took 81141.87ms. Allocated memory was 266.3MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 121.6MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 4.1GB. 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: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: 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, 180 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 81.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 26.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1042 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1042 mSDsluCounter, 1400 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 863 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 619 mSDtfsCounter, 265 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=270973occurred 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: 44.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 895 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 10:33:44,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...