./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f6a99f321ab4c9a330ddab5bc184070524e662cb34c3dfc8d7fb0257fb493dd --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:00:49,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:00:49,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:00:49,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:00:49,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:00:49,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:00:49,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:00:49,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:00:49,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:00:49,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:00:49,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:00:49,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:00:49,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:00:49,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:00:49,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:00:49,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:00:49,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:00:49,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:00:49,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:00:49,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:00:49,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:00:49,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:00:49,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:00:49,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:00:49,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:00:49,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:00:49,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:00:49,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:00:49,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:00:49,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:00:49,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:00:49,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:00:49,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:00:49,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:00:49,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:00:49,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:00:49,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:00:49,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:00:49,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:00:49,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:00:49,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:00:49,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:00:49,130 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:00:49,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:00:49,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:00:49,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:00:49,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:00:49,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:00:49,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:00:49,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:00:49,134 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:00:49,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:00:49,135 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:00:49,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:00:49,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:00:49,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:00:49,136 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:00:49,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:00:49,137 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:00:49,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:00:49,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:00:49,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:00:49,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:00:49,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:00:49,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:00:49,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:00:49,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:00:49,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:00:49,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:00:49,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:00:49,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:00:49,139 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:00:49,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:00:49,140 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:00:49,140 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f6a99f321ab4c9a330ddab5bc184070524e662cb34c3dfc8d7fb0257fb493dd Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:00:49,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:00:49,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:00:49,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:00:49,430 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:00:49,431 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:00:49,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2023-08-30 13:00:50,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:00:50,746 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:00:50,746 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2023-08-30 13:00:50,764 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9452b19/758351c496ea4c7cbb65888c62c5eba4/FLAGfa1b72237 [2023-08-30 13:00:50,778 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da9452b19/758351c496ea4c7cbb65888c62c5eba4 [2023-08-30 13:00:50,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:00:50,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:00:50,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:00:50,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:00:50,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:00:50,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:00:50" (1/1) ... [2023-08-30 13:00:50,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6076cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:50, skipping insertion in model container [2023-08-30 13:00:50,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:00:50" (1/1) ... [2023-08-30 13:00:50,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:00:50,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:00:50,947 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] [2023-08-30 13:00:51,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:00:51,086 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:00:51,096 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] [2023-08-30 13:00:51,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:00:51,206 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:00:51,206 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:00:51,212 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:00:51,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51 WrapperNode [2023-08-30 13:00:51,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:00:51,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:00:51,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:00:51,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:00:51,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,278 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-08-30 13:00:51,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:00:51,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:00:51,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:00:51,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:00:51,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:00:51,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:00:51,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:00:51,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:00:51,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (1/1) ... [2023-08-30 13:00:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:00:51,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:00:51,368 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) [2023-08-30 13:00:51,386 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 [2023-08-30 13:00:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:00:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:00:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:00:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:00:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:00:51,402 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 13:00:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 13:00:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 13:00:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 13:00:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 13:00:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 13:00:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 13:00:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 13:00:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:00:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:00:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:00:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:00:51,405 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:00:51,593 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:00:51,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:00:51,942 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:00:52,085 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:00:52,085 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 13:00:52,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:00:52 BoogieIcfgContainer [2023-08-30 13:00:52,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:00:52,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:00:52,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:00:52,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:00:52,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:00:50" (1/3) ... [2023-08-30 13:00:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8a978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:00:52, skipping insertion in model container [2023-08-30 13:00:52,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:00:51" (2/3) ... [2023-08-30 13:00:52,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8a978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:00:52, skipping insertion in model container [2023-08-30 13:00:52,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:00:52" (3/3) ... [2023-08-30 13:00:52,098 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_pso.opt_rmo.opt_tso.opt.i [2023-08-30 13:00:52,105 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:00:52,113 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:00:52,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 13:00:52,114 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:00:52,178 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 13:00:52,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 132 transitions, 284 flow [2023-08-30 13:00:52,286 INFO L130 PetriNetUnfolder]: 2/128 cut-off events. [2023-08-30 13:00:52,286 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:00:52,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-08-30 13:00:52,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 132 transitions, 284 flow [2023-08-30 13:00:52,303 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 128 transitions, 268 flow [2023-08-30 13:00:52,306 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:00:52,319 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 128 transitions, 268 flow [2023-08-30 13:00:52,322 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 128 transitions, 268 flow [2023-08-30 13:00:52,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 268 flow [2023-08-30 13:00:52,363 INFO L130 PetriNetUnfolder]: 2/128 cut-off events. [2023-08-30 13:00:52,364 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:00:52,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-08-30 13:00:52,372 INFO L119 LiptonReduction]: Number of co-enabled transitions 3468 [2023-08-30 13:00:56,011 INFO L134 LiptonReduction]: Checked pairs total: 12391 [2023-08-30 13:00:56,012 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-08-30 13:00:56,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:00:56,028 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=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;@3a7b9e67, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:00:56,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-08-30 13:00:56,032 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 13:00:56,032 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:00:56,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:00:56,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:00:56,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 13:00:56,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:00:56,037 INFO L85 PathProgramCache]: Analyzing trace with hash 519680535, now seen corresponding path program 1 times [2023-08-30 13:00:56,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:00:56,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122871961] [2023-08-30 13:00:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:00:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:00:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:00:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:00:56,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:00:56,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122871961] [2023-08-30 13:00:56,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122871961] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:00:56,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:00:56,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:00:56,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636658291] [2023-08-30 13:00:56,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:00:56,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:00:56,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:00:56,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:00:56,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:00:56,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 234 [2023-08-30 13:00:56,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-08-30 13:00:56,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:00:56,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 234 [2023-08-30 13:00:56,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:00:57,420 INFO L130 PetriNetUnfolder]: 8151/11436 cut-off events. [2023-08-30 13:00:57,420 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-08-30 13:00:57,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23060 conditions, 11436 events. 8151/11436 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 68834 event pairs, 3901 based on Foata normal form. 536/7733 useless extension candidates. Maximal degree in co-relation 23048. Up to 11129 conditions per place. [2023-08-30 13:00:57,486 INFO L137 encePairwiseOnDemand]: 219/234 looper letters, 43 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2023-08-30 13:00:57,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 219 flow [2023-08-30 13:00:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:00:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:00:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2023-08-30 13:00:57,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5455840455840456 [2023-08-30 13:00:57,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 383 transitions. [2023-08-30 13:00:57,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 383 transitions. [2023-08-30 13:00:57,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:00:57,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 383 transitions. [2023-08-30 13:00:57,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 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) [2023-08-30 13:00:57,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2023-08-30 13:00:57,520 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2023-08-30 13:00:57,522 INFO L175 Difference]: Start difference. First operand has 47 places, 35 transitions, 82 flow. Second operand 3 states and 383 transitions. [2023-08-30 13:00:57,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 219 flow [2023-08-30 13:00:57,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-30 13:00:57,529 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 125 flow [2023-08-30 13:00:57,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2023-08-30 13:00:57,535 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2023-08-30 13:00:57,537 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 125 flow [2023-08-30 13:00:57,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2023-08-30 13:00:57,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:00:57,538 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:00:57,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:00:57,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 13:00:57,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:00:57,547 INFO L85 PathProgramCache]: Analyzing trace with hash 670881627, now seen corresponding path program 1 times [2023-08-30 13:00:57,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:00:57,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535501137] [2023-08-30 13:00:57,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:00:57,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:00:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:00:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:00:57,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:00:57,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535501137] [2023-08-30 13:00:57,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535501137] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:00:57,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:00:57,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:00:57,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316416543] [2023-08-30 13:00:57,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:00:57,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:00:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:00:57,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:00:57,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:00:57,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 234 [2023-08-30 13:00:57,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 125 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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) [2023-08-30 13:00:57,714 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:00:57,714 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 234 [2023-08-30 13:00:57,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:00:58,369 INFO L130 PetriNetUnfolder]: 4237/6002 cut-off events. [2023-08-30 13:00:58,370 INFO L131 PetriNetUnfolder]: For 622/622 co-relation queries the response was YES. [2023-08-30 13:00:58,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15119 conditions, 6002 events. 4237/6002 cut-off events. For 622/622 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 32480 event pairs, 1581 based on Foata normal form. 0/4785 useless extension candidates. Maximal degree in co-relation 15108. Up to 5694 conditions per place. [2023-08-30 13:00:58,401 INFO L137 encePairwiseOnDemand]: 225/234 looper letters, 39 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2023-08-30 13:00:58,401 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 229 flow [2023-08-30 13:00:58,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:00:58,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:00:58,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 480 transitions. [2023-08-30 13:00:58,403 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5128205128205128 [2023-08-30 13:00:58,404 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 480 transitions. [2023-08-30 13:00:58,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 480 transitions. [2023-08-30 13:00:58,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:00:58,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 480 transitions. [2023-08-30 13:00:58,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2023-08-30 13:00:58,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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) [2023-08-30 13:00:58,408 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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) [2023-08-30 13:00:58,408 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 125 flow. Second operand 4 states and 480 transitions. [2023-08-30 13:00:58,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 229 flow [2023-08-30 13:00:58,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 47 transitions, 224 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:00:58,410 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 114 flow [2023-08-30 13:00:58,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2023-08-30 13:00:58,411 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2023-08-30 13:00:58,411 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 114 flow [2023-08-30 13:00:58,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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) [2023-08-30 13:00:58,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:00:58,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:00:58,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:00:58,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 13:00:58,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:00:58,413 INFO L85 PathProgramCache]: Analyzing trace with hash 670881628, now seen corresponding path program 1 times [2023-08-30 13:00:58,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:00:58,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464458463] [2023-08-30 13:00:58,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:00:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:00:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:00:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:00:58,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:00:58,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464458463] [2023-08-30 13:00:58,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464458463] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:00:58,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:00:58,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:00:58,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947307647] [2023-08-30 13:00:58,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:00:58,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:00:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:00:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:00:58,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:00:58,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 234 [2023-08-30 13:00:58,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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) [2023-08-30 13:00:58,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:00:58,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 234 [2023-08-30 13:00:58,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:00:58,803 INFO L130 PetriNetUnfolder]: 1609/2448 cut-off events. [2023-08-30 13:00:58,803 INFO L131 PetriNetUnfolder]: For 564/564 co-relation queries the response was YES. [2023-08-30 13:00:58,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6146 conditions, 2448 events. 1609/2448 cut-off events. For 564/564 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 12027 event pairs, 453 based on Foata normal form. 60/2211 useless extension candidates. Maximal degree in co-relation 6134. Up to 1625 conditions per place. [2023-08-30 13:00:58,814 INFO L137 encePairwiseOnDemand]: 224/234 looper letters, 50 selfloop transitions, 9 changer transitions 0/62 dead transitions. [2023-08-30 13:00:58,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 62 transitions, 306 flow [2023-08-30 13:00:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:00:58,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:00:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 496 transitions. [2023-08-30 13:00:58,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5299145299145299 [2023-08-30 13:00:58,817 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 496 transitions. [2023-08-30 13:00:58,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 496 transitions. [2023-08-30 13:00:58,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:00:58,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 496 transitions. [2023-08-30 13:00:58,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 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) [2023-08-30 13:00:58,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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) [2023-08-30 13:00:58,821 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 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) [2023-08-30 13:00:58,821 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 114 flow. Second operand 4 states and 496 transitions. [2023-08-30 13:00:58,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 62 transitions, 306 flow [2023-08-30 13:00:58,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 62 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:00:58,825 INFO L231 Difference]: Finished difference. Result has 46 places, 38 transitions, 168 flow [2023-08-30 13:00:58,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=168, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2023-08-30 13:00:58,826 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2023-08-30 13:00:58,829 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 168 flow [2023-08-30 13:00:58,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 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) [2023-08-30 13:00:58,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:00:58,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:00:58,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:00:58,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 13:00:58,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:00:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash -948017758, now seen corresponding path program 1 times [2023-08-30 13:00:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:00:58,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417897370] [2023-08-30 13:00:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:00:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:00:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:00:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:00:58,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:00:58,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417897370] [2023-08-30 13:00:58,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417897370] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:00:58,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:00:58,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:00:58,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951102651] [2023-08-30 13:00:58,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:00:58,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:00:58,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:00:58,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:00:58,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:00:58,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 234 [2023-08-30 13:00:58,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 168 flow. Second operand has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 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) [2023-08-30 13:00:58,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:00:58,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 234 [2023-08-30 13:00:58,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:00:59,204 INFO L130 PetriNetUnfolder]: 911/1380 cut-off events. [2023-08-30 13:00:59,204 INFO L131 PetriNetUnfolder]: For 936/936 co-relation queries the response was YES. [2023-08-30 13:00:59,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4133 conditions, 1380 events. 911/1380 cut-off events. For 936/936 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5768 event pairs, 203 based on Foata normal form. 37/1378 useless extension candidates. Maximal degree in co-relation 4120. Up to 516 conditions per place. [2023-08-30 13:00:59,212 INFO L137 encePairwiseOnDemand]: 224/234 looper letters, 55 selfloop transitions, 13 changer transitions 4/75 dead transitions. [2023-08-30 13:00:59,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 75 transitions, 414 flow [2023-08-30 13:00:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:00:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:00:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 617 transitions. [2023-08-30 13:00:59,215 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273504273504274 [2023-08-30 13:00:59,215 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 617 transitions. [2023-08-30 13:00:59,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 617 transitions. [2023-08-30 13:00:59,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:00:59,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 617 transitions. [2023-08-30 13:00:59,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 123.4) internal successors, (617), 5 states have internal predecessors, (617), 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) [2023-08-30 13:00:59,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 234.0) internal successors, (1404), 6 states have internal predecessors, (1404), 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) [2023-08-30 13:00:59,220 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 234.0) internal successors, (1404), 6 states have internal predecessors, (1404), 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) [2023-08-30 13:00:59,220 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 168 flow. Second operand 5 states and 617 transitions. [2023-08-30 13:00:59,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 75 transitions, 414 flow [2023-08-30 13:00:59,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 75 transitions, 396 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-30 13:00:59,224 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 194 flow [2023-08-30 13:00:59,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=194, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2023-08-30 13:00:59,225 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, 2 predicate places. [2023-08-30 13:00:59,225 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 194 flow [2023-08-30 13:00:59,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.6) internal successors, (553), 5 states have internal predecessors, (553), 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) [2023-08-30 13:00:59,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:00:59,226 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] [2023-08-30 13:00:59,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:00:59,226 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-08-30 13:00:59,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:00:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1737979016, now seen corresponding path program 1 times [2023-08-30 13:00:59,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:00:59,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376752564] [2023-08-30 13:00:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:00:59,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:00:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:00:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:00:59,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:00:59,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376752564] [2023-08-30 13:00:59,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376752564] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:00:59,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:00:59,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 13:00:59,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310311186] [2023-08-30 13:00:59,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:00:59,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 13:00:59,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:00:59,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 13:00:59,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-30 13:00:59,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 234 [2023-08-30 13:00:59,350 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 194 flow. Second operand has 6 states, 6 states have (on average 111.0) internal successors, (666), 6 states have internal predecessors, (666), 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) [2023-08-30 13:00:59,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:00:59,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 234 [2023-08-30 13:00:59,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:00:59,536 INFO L130 PetriNetUnfolder]: 844/1243 cut-off events. [2023-08-30 13:00:59,537 INFO L131 PetriNetUnfolder]: For 1146/1146 co-relation queries the response was YES. [2023-08-30 13:00:59,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 1243 events. 844/1243 cut-off events. For 1146/1146 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5127 event pairs, 183 based on Foata normal form. 18/1246 useless extension candidates. Maximal degree in co-relation 3834. Up to 516 conditions per place. [2023-08-30 13:00:59,541 INFO L137 encePairwiseOnDemand]: 224/234 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2023-08-30 13:00:59,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 63 transitions, 346 flow [2023-08-30 13:00:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:00:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:00:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 713 transitions. [2023-08-30 13:00:59,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5078347578347578 [2023-08-30 13:00:59,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 713 transitions. [2023-08-30 13:00:59,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 713 transitions. [2023-08-30 13:00:59,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:00:59,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 713 transitions. [2023-08-30 13:00:59,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 118.83333333333333) internal successors, (713), 6 states have internal predecessors, (713), 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) [2023-08-30 13:00:59,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 234.0) internal successors, (1638), 7 states have internal predecessors, (1638), 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) [2023-08-30 13:00:59,548 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 234.0) internal successors, (1638), 7 states have internal predecessors, (1638), 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) [2023-08-30 13:00:59,548 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 194 flow. Second operand 6 states and 713 transitions. [2023-08-30 13:00:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 63 transitions, 346 flow [2023-08-30 13:00:59,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 63 transitions, 291 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-08-30 13:00:59,561 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2023-08-30 13:00:59,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=234, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2023-08-30 13:00:59,562 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -7 predicate places. [2023-08-30 13:00:59,562 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2023-08-30 13:00:59,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.0) internal successors, (666), 6 states have internal predecessors, (666), 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) [2023-08-30 13:00:59,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-08-30 13:00:59,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-08-30 13:00:59,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-08-30 13:00:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-08-30 13:00:59,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 13:00:59,568 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-30 13:00:59,572 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:00:59,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:00:59,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:00:59 BasicIcfg [2023-08-30 13:00:59,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:00:59,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:00:59,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:00:59,575 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:00:59,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:00:52" (3/4) ... [2023-08-30 13:00:59,577 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:00:59,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 13:00:59,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 13:00:59,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-08-30 13:00:59,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-08-30 13:00:59,587 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-30 13:00:59,587 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 13:00:59,588 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:00:59,588 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:00:59,628 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:00:59,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:00:59,630 INFO L158 Benchmark]: Toolchain (without parser) took 8848.83ms. Allocated memory was 73.4MB in the beginning and 685.8MB in the end (delta: 612.4MB). Free memory was 49.4MB in the beginning and 512.1MB in the end (delta: -462.7MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,630 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:00:59,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.67ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 44.9MB in the end (delta: 4.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.22ms. Allocated memory is still 73.4MB. Free memory was 44.9MB in the beginning and 42.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,631 INFO L158 Benchmark]: Boogie Preprocessor took 53.93ms. Allocated memory is still 73.4MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:00:59,631 INFO L158 Benchmark]: RCFGBuilder took 754.36ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 60.2MB in the end (delta: -20.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,632 INFO L158 Benchmark]: TraceAbstraction took 7484.11ms. Allocated memory was 88.1MB in the beginning and 685.8MB in the end (delta: 597.7MB). Free memory was 59.7MB in the beginning and 515.3MB in the end (delta: -455.6MB). Peak memory consumption was 312.7MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,632 INFO L158 Benchmark]: Witness Printer took 54.15ms. Allocated memory is still 685.8MB. Free memory was 515.3MB in the beginning and 512.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:00:59,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.67ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 44.9MB in the end (delta: 4.2MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.22ms. Allocated memory is still 73.4MB. Free memory was 44.9MB in the beginning and 42.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.93ms. Allocated memory is still 73.4MB. Free memory was 42.3MB in the beginning and 40.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 754.36ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 60.2MB in the end (delta: -20.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7484.11ms. Allocated memory was 88.1MB in the beginning and 685.8MB in the end (delta: 597.7MB). Free memory was 59.7MB in the beginning and 515.3MB in the end (delta: -455.6MB). Peak memory consumption was 312.7MB. Max. memory is 16.1GB. * Witness Printer took 54.15ms. Allocated memory is still 685.8MB. Free memory was 515.3MB in the beginning and 512.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 139 PlacesBefore, 47 PlacesAfterwards, 128 TransitionsBefore, 35 TransitionsAfterwards, 3468 CoEnabledTransitionPairs, 7 FixpointIterations, 42 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 102 TotalNumberOfCompositions, 12391 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5424, independent: 5103, independent conditional: 0, independent unconditional: 5103, dependent: 321, dependent conditional: 0, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1826, independent: 1783, independent conditional: 0, independent unconditional: 1783, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5424, independent: 3320, independent conditional: 0, independent unconditional: 3320, dependent: 278, dependent conditional: 0, dependent unconditional: 278, unknown: 1826, unknown conditional: 0, unknown unconditional: 1826] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 242, Positive conditional cache size: 0, Positive unconditional cache size: 242, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: 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, 172 locations, 20 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: 7.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 13 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2023-08-30 13:00:59,661 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE