/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-PN-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/mix052_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:33:43,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:33:43,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:33:43,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:33:43,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:33:43,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:33:43,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:33:43,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:33:43,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:33:43,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:33:43,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:33:43,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:33:43,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:33:43,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:33:43,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:33:43,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:33:43,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:33:43,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:33:43,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:33:43,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:33:43,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:33:43,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:33:43,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:33:43,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:33:43,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 11:33:44,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:33:44,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:33:44,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:33:44,010 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-PN-NoLbe.epf [2022-09-16 11:33:44,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:33:44,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:33:44,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:33:44,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:33:44,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:33:44,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:33:44,049 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:33:44,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:33:44,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:33:44,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:33:44,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:33:44,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:33:44,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:33:44,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:33:44,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:33:44,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:33:44,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:33:44,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:33:44,053 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:33:44,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:33:44,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:33:44,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:33:44,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:33:44,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:33:44,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:33:44,379 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:33:44,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix052_tso.oepc.i [2022-09-16 11:33:44,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f006f4af/ea25b9ff66f14eaf9ebed2a94f20ba78/FLAG1f71a8a59 [2022-09-16 11:33:45,026 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:33:45,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix052_tso.oepc.i [2022-09-16 11:33:45,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f006f4af/ea25b9ff66f14eaf9ebed2a94f20ba78/FLAG1f71a8a59 [2022-09-16 11:33:45,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f006f4af/ea25b9ff66f14eaf9ebed2a94f20ba78 [2022-09-16 11:33:45,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:33:45,468 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:33:45,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:33:45,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:33:45,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:33:45,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:33:45" (1/1) ... [2022-09-16 11:33:45,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c600a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:45, skipping insertion in model container [2022-09-16 11:33:45,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:33:45" (1/1) ... [2022-09-16 11:33:45,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:33:45,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:33:45,719 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/mix052_tso.oepc.i[949,962] [2022-09-16 11:33:45,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:33:45,911 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:33:45,921 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/mix052_tso.oepc.i[949,962] [2022-09-16 11:33:45,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:33:46,018 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:33:46,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46 WrapperNode [2022-09-16 11:33:46,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:33:46,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:33:46,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:33:46,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:33:46,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,115 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 277 [2022-09-16 11:33:46,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:33:46,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:33:46,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:33:46,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:33:46,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:33:46,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:33:46,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:33:46,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:33:46,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (1/1) ... [2022-09-16 11:33:46,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:33:46,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:33:46,209 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 11:33:46,214 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 11:33:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:33:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:33:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:33:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:33:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:33:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 11:33:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 11:33:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 11:33:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 11:33:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 11:33:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 11:33:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:33:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:33:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:33:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:33:46,250 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 11:33:46,386 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:33:46,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:33:47,053 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:33:47,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:33:47,445 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 11:33:47,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:33:47 BoogieIcfgContainer [2022-09-16 11:33:47,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:33:47,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:33:47,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:33:47,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:33:47,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:33:45" (1/3) ... [2022-09-16 11:33:47,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5fe4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:33:47, skipping insertion in model container [2022-09-16 11:33:47,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:33:46" (2/3) ... [2022-09-16 11:33:47,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5fe4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:33:47, skipping insertion in model container [2022-09-16 11:33:47,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:33:47" (3/3) ... [2022-09-16 11:33:47,455 INFO L112 eAbstractionObserver]: Analyzing ICFG mix052_tso.oepc.i [2022-09-16 11:33:47,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:33:47,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 11:33:47,472 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:33:47,542 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 11:33:47,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2022-09-16 11:33:47,652 INFO L130 PetriNetUnfolder]: 2/116 cut-off events. [2022-09-16 11:33:47,652 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:33:47,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2022-09-16 11:33:47,657 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2022-09-16 11:33:47,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2022-09-16 11:33:47,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:33:47,686 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@4ee87ba1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:33:47,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 11:33:47,703 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-09-16 11:33:47,703 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:33:47,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:47,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:33:47,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:47,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash 75966280, now seen corresponding path program 1 times [2022-09-16 11:33:47,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:47,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974767709] [2022-09-16 11:33:47,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:47,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:48,015 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 11:33:48,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974767709] [2022-09-16 11:33:48,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974767709] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:48,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:48,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 11:33:48,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044286594] [2022-09-16 11:33:48,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:48,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 11:33:48,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:48,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 11:33:48,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 11:33:48,062 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 119 [2022-09-16 11:33:48,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 11:33:48,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:48,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 119 [2022-09-16 11:33:48,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:48,624 INFO L130 PetriNetUnfolder]: 586/2350 cut-off events. [2022-09-16 11:33:48,624 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-09-16 11:33:48,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3329 conditions, 2350 events. 586/2350 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 20016 event pairs, 353 based on Foata normal form. 96/2051 useless extension candidates. Maximal degree in co-relation 3277. Up to 801 conditions per place. [2022-09-16 11:33:48,643 INFO L137 encePairwiseOnDemand]: 107/119 looper letters, 28 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2022-09-16 11:33:48,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 125 transitions, 329 flow [2022-09-16 11:33:48,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 11:33:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-09-16 11:33:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-09-16 11:33:48,661 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2022-09-16 11:33:48,662 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-09-16 11:33:48,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-09-16 11:33:48,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:48,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-09-16 11:33:48,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 11:33:48,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 11:33:48,680 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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 11:33:48,681 INFO L175 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 330 transitions. [2022-09-16 11:33:48,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 125 transitions, 329 flow [2022-09-16 11:33:48,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 125 transitions, 324 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:33:48,690 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 268 flow [2022-09-16 11:33:48,692 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2022-09-16 11:33:48,695 INFO L287 CegarLoopForPetriNet]: 124 programPoint places, -1 predicate places. [2022-09-16 11:33:48,696 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 268 flow [2022-09-16 11:33:48,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 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 11:33:48,697 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:48,697 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:33:48,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:33:48,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:48,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:48,699 INFO L85 PathProgramCache]: Analyzing trace with hash 755471835, now seen corresponding path program 1 times [2022-09-16 11:33:48,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:48,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986071623] [2022-09-16 11:33:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:48,818 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 11:33:48,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:48,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986071623] [2022-09-16 11:33:48,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986071623] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:48,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:48,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:33:48,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170893352] [2022-09-16 11:33:48,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:48,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:33:48,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:48,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:33:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:33:48,822 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 119 [2022-09-16 11:33:48,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 268 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 11:33:48,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:48,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 119 [2022-09-16 11:33:48,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:49,117 INFO L130 PetriNetUnfolder]: 420/1240 cut-off events. [2022-09-16 11:33:49,118 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2022-09-16 11:33:49,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2307 conditions, 1240 events. 420/1240 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 8674 event pairs, 89 based on Foata normal form. 0/1069 useless extension candidates. Maximal degree in co-relation 2255. Up to 387 conditions per place. [2022-09-16 11:33:49,159 INFO L137 encePairwiseOnDemand]: 109/119 looper letters, 33 selfloop transitions, 10 changer transitions 3/139 dead transitions. [2022-09-16 11:33:49,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 139 transitions, 424 flow [2022-09-16 11:33:49,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:33:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:33:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2022-09-16 11:33:49,162 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9096638655462185 [2022-09-16 11:33:49,162 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 433 transitions. [2022-09-16 11:33:49,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 433 transitions. [2022-09-16 11:33:49,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:49,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 433 transitions. [2022-09-16 11:33:49,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 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 11:33:49,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:33:49,170 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:33:49,170 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 268 flow. Second operand 4 states and 433 transitions. [2022-09-16 11:33:49,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 139 transitions, 424 flow [2022-09-16 11:33:49,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 139 transitions, 420 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-09-16 11:33:49,176 INFO L231 Difference]: Finished difference. Result has 127 places, 119 transitions, 324 flow [2022-09-16 11:33:49,176 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=324, PETRI_PLACES=127, PETRI_TRANSITIONS=119} [2022-09-16 11:33:49,177 INFO L287 CegarLoopForPetriNet]: 124 programPoint places, 3 predicate places. [2022-09-16 11:33:49,177 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 119 transitions, 324 flow [2022-09-16 11:33:49,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 11:33:49,178 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:49,178 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:33:49,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:33:49,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:49,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:49,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1063708626, now seen corresponding path program 1 times [2022-09-16 11:33:49,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:49,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903820141] [2022-09-16 11:33:49,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:49,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:49,307 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 11:33:49,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:49,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903820141] [2022-09-16 11:33:49,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903820141] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:49,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:49,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:33:49,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603491877] [2022-09-16 11:33:49,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:49,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:33:49,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:33:49,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:33:49,310 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 119 [2022-09-16 11:33:49,310 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 324 flow. Second operand has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 11:33:49,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:49,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 119 [2022-09-16 11:33:49,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:49,544 INFO L130 PetriNetUnfolder]: 282/1298 cut-off events. [2022-09-16 11:33:49,544 INFO L131 PetriNetUnfolder]: For 749/749 co-relation queries the response was YES. [2022-09-16 11:33:49,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2126 conditions, 1298 events. 282/1298 cut-off events. For 749/749 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9539 event pairs, 151 based on Foata normal form. 70/1289 useless extension candidates. Maximal degree in co-relation 2071. Up to 316 conditions per place. [2022-09-16 11:33:49,555 INFO L137 encePairwiseOnDemand]: 112/119 looper letters, 25 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2022-09-16 11:33:49,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 122 transitions, 362 flow [2022-09-16 11:33:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:33:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:33:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 416 transitions. [2022-09-16 11:33:49,558 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8739495798319328 [2022-09-16 11:33:49,558 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 416 transitions. [2022-09-16 11:33:49,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 416 transitions. [2022-09-16 11:33:49,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:49,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 416 transitions. [2022-09-16 11:33:49,560 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 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 11:33:49,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:33:49,562 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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 11:33:49,562 INFO L175 Difference]: Start difference. First operand has 127 places, 119 transitions, 324 flow. Second operand 4 states and 416 transitions. [2022-09-16 11:33:49,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 122 transitions, 362 flow [2022-09-16 11:33:49,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 122 transitions, 344 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-09-16 11:33:49,568 INFO L231 Difference]: Finished difference. Result has 124 places, 113 transitions, 272 flow [2022-09-16 11:33:49,568 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=272, PETRI_PLACES=124, PETRI_TRANSITIONS=113} [2022-09-16 11:33:49,570 INFO L287 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2022-09-16 11:33:49,570 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 113 transitions, 272 flow [2022-09-16 11:33:49,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 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 11:33:49,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:33:49,571 INFO L208 CegarLoopForPetriNet]: 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] [2022-09-16 11:33:49,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:33:49,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 11:33:49,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:33:49,572 INFO L85 PathProgramCache]: Analyzing trace with hash 191795155, now seen corresponding path program 1 times [2022-09-16 11:33:49,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:33:49,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810293895] [2022-09-16 11:33:49,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:33:49,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:33:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:33:49,718 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 11:33:49,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:33:49,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810293895] [2022-09-16 11:33:49,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810293895] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:33:49,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:33:49,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:33:49,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17827918] [2022-09-16 11:33:49,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:33:49,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:33:49,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:33:49,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:33:49,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:33:49,722 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 119 [2022-09-16 11:33:49,722 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 113 transitions, 272 flow. Second operand has 5 states, 5 states have (on average 98.2) internal successors, (491), 5 states have internal predecessors, (491), 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 11:33:49,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:33:49,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 119 [2022-09-16 11:33:49,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:33:49,904 INFO L130 PetriNetUnfolder]: 273/951 cut-off events. [2022-09-16 11:33:49,904 INFO L131 PetriNetUnfolder]: For 381/381 co-relation queries the response was YES. [2022-09-16 11:33:49,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 951 events. 273/951 cut-off events. For 381/381 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6261 event pairs, 77 based on Foata normal form. 12/923 useless extension candidates. Maximal degree in co-relation 1633. Up to 199 conditions per place. [2022-09-16 11:33:49,910 INFO L137 encePairwiseOnDemand]: 112/119 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2022-09-16 11:33:49,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 127 transitions, 362 flow [2022-09-16 11:33:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:33:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:33:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 517 transitions. [2022-09-16 11:33:49,912 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8689075630252101 [2022-09-16 11:33:49,912 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 517 transitions. [2022-09-16 11:33:49,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 517 transitions. [2022-09-16 11:33:49,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:33:49,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 517 transitions. [2022-09-16 11:33:49,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 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 11:33:49,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 11:33:49,916 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 11:33:49,916 INFO L175 Difference]: Start difference. First operand has 124 places, 113 transitions, 272 flow. Second operand 5 states and 517 transitions. [2022-09-16 11:33:49,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 127 transitions, 362 flow [2022-09-16 11:33:49,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 127 transitions, 347 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:33:49,919 INFO L231 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2022-09-16 11:33:49,919 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2022-09-16 11:33:49,920 INFO L287 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2022-09-16 11:33:49,920 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2022-09-16 11:33:49,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.2) internal successors, (491), 5 states have internal predecessors, (491), 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 11:33:49,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 11:33:49,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 11:33:49,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 11:33:49,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 11:33:49,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 11:33:49,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 11:33:49,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 11:33:49,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 11:33:49,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 11:33:49,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 11:33:49,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:33:49,927 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 11:33:49,931 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:33:49,932 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:33:49,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:33:49 BasicIcfg [2022-09-16 11:33:49,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:33:49,937 INFO L158 Benchmark]: Toolchain (without parser) took 4469.27ms. Allocated memory was 174.1MB in the beginning and 210.8MB in the end (delta: 36.7MB). Free memory was 119.0MB in the beginning and 102.8MB in the end (delta: 16.1MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,938 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 137.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:33:49,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.78ms. Allocated memory is still 174.1MB. Free memory was 118.7MB in the beginning and 138.0MB in the end (delta: -19.3MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.77ms. Allocated memory is still 174.1MB. Free memory was 138.0MB in the beginning and 135.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,939 INFO L158 Benchmark]: Boogie Preprocessor took 46.34ms. Allocated memory is still 174.1MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,939 INFO L158 Benchmark]: RCFGBuilder took 1283.88ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 106.0MB in the end (delta: 26.8MB). Peak memory consumption was 63.4MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,940 INFO L158 Benchmark]: TraceAbstraction took 2487.69ms. Allocated memory was 174.1MB in the beginning and 210.8MB in the end (delta: 36.7MB). Free memory was 105.5MB in the beginning and 102.8MB in the end (delta: 2.7MB). Peak memory consumption was 38.9MB. Max. memory is 8.0GB. [2022-09-16 11:33:49,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 137.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.78ms. Allocated memory is still 174.1MB. Free memory was 118.7MB in the beginning and 138.0MB in the end (delta: -19.3MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 94.77ms. Allocated memory is still 174.1MB. Free memory was 138.0MB in the beginning and 135.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.34ms. Allocated memory is still 174.1MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1283.88ms. Allocated memory is still 174.1MB. Free memory was 132.9MB in the beginning and 106.0MB in the end (delta: 26.8MB). Peak memory consumption was 63.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2487.69ms. Allocated memory was 174.1MB in the beginning and 210.8MB in the end (delta: 36.7MB). Free memory was 105.5MB in the beginning and 102.8MB in the end (delta: 2.7MB). Peak memory consumption was 38.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 177 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 10 mSDtfsCounter, 177 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:33:49,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...