./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.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 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a --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 13:05:32,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:05:32,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:05:32,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:05:32,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:05:32,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:05:32,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:05:32,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:05:32,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:05:32,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:05:32,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:05:32,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:05:32,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:05:32,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:05:32,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:05:32,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:05:32,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:05:32,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:05:32,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:05:32,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:05:32,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:05:32,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:05:32,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:05:32,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:05:32,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:05:32,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:05:32,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:05:32,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:05:32,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:05:32,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:05:32,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:05:32,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:05:32,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:05:32,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:05:32,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:05:32,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:05:32,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:05:32,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:05:32,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:05:32,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:05:32,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:05:32,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:05:32,844 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:05:32,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:05:32,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:05:32,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:05:32,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:05:32,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:05:32,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:05:32,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:05:32,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:05:32,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:05:32,848 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:05:32,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:05:32,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:05:32,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:05:32,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:05:32,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:05:32,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:05:32,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:05:32,850 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:05:32,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:05:32,850 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:05:32,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c4b734419752ee9918164f01e542b34e2482d2668432fb42f6f1192b7f0b6a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:05:33,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:05:33,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:05:33,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:05:33,109 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:05:33,112 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:05:33,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-30 13:05:34,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:05:34,179 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:05:34,179 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-30 13:05:34,189 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/080930bea/763f59cd2f8a4320882f541a8d14dfdd/FLAG464d3ddf6 [2023-08-30 13:05:34,198 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/080930bea/763f59cd2f8a4320882f541a8d14dfdd [2023-08-30 13:05:34,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:05:34,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:05:34,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:05:34,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:05:34,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:05:34,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17acb068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34, skipping insertion in model container [2023-08-30 13:05:34,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:05:34,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:05:34,370 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/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2023-08-30 13:05:34,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:05:34,541 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:05:34,548 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/safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2023-08-30 13:05:34,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:05:34,611 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:05:34,611 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:05:34,615 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:05:34,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34 WrapperNode [2023-08-30 13:05:34,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:05:34,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:05:34,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:05:34,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:05:34,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,651 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2023-08-30 13:05:34,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:05:34,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:05:34,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:05:34,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:05:34,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,674 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:05:34,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:05:34,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:05:34,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:05:34,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (1/1) ... [2023-08-30 13:05:34,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:05:34,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:05:34,714 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 13:05:34,734 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 13:05:34,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:05:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:05:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:05:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:05:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:05:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 13:05:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 13:05:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 13:05:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 13:05:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:05:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:05:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:05:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:05:34,753 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 13:05:34,855 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:05:34,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:05:35,147 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:05:35,257 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:05:35,260 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 13:05:35,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:35 BoogieIcfgContainer [2023-08-30 13:05:35,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:05:35,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:05:35,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:05:35,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:05:35,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:05:34" (1/3) ... [2023-08-30 13:05:35,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f65130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:05:35, skipping insertion in model container [2023-08-30 13:05:35,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:05:34" (2/3) ... [2023-08-30 13:05:35,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f65130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:05:35, skipping insertion in model container [2023-08-30 13:05:35,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:35" (3/3) ... [2023-08-30 13:05:35,268 INFO L112 eAbstractionObserver]: Analyzing ICFG safe033_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2023-08-30 13:05:35,273 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:05:35,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:05:35,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 13:05:35,280 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:05:35,320 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 13:05:35,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 186 flow [2023-08-30 13:05:35,387 INFO L130 PetriNetUnfolder]: 2/86 cut-off events. [2023-08-30 13:05:35,388 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:05:35,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-08-30 13:05:35,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 88 transitions, 186 flow [2023-08-30 13:05:35,399 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 86 transitions, 178 flow [2023-08-30 13:05:35,402 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:05:35,417 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 86 transitions, 178 flow [2023-08-30 13:05:35,420 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 86 transitions, 178 flow [2023-08-30 13:05:35,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 86 transitions, 178 flow [2023-08-30 13:05:35,438 INFO L130 PetriNetUnfolder]: 2/86 cut-off events. [2023-08-30 13:05:35,439 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:05:35,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 2/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2023-08-30 13:05:35,444 INFO L119 LiptonReduction]: Number of co-enabled transitions 1140 [2023-08-30 13:05:37,699 INFO L134 LiptonReduction]: Checked pairs total: 3589 [2023-08-30 13:05:37,700 INFO L136 LiptonReduction]: Total number of compositions: 76 [2023-08-30 13:05:37,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:05:37,712 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;@5467284a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:05:37,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-30 13:05:37,716 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 13:05:37,716 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:05:37,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:05:37,717 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:05:37,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-08-30 13:05:37,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:05:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 382244789, now seen corresponding path program 1 times [2023-08-30 13:05:37,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:05:37,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533959690] [2023-08-30 13:05:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:05:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:05:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:05:38,003 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 13:05:38,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:05:38,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533959690] [2023-08-30 13:05:38,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533959690] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:05:38,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:05:38,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:05:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200867461] [2023-08-30 13:05:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:05:38,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:05:38,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:05:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:05:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:05:38,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 164 [2023-08-30 13:05:38,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 13:05:38,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:05:38,041 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 164 [2023-08-30 13:05:38,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:05:38,123 INFO L130 PetriNetUnfolder]: 99/191 cut-off events. [2023-08-30 13:05:38,123 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:05:38,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 191 events. 99/191 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 669 event pairs, 44 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 383. Up to 102 conditions per place. [2023-08-30 13:05:38,127 INFO L137 encePairwiseOnDemand]: 156/164 looper letters, 23 selfloop transitions, 3 changer transitions 2/29 dead transitions. [2023-08-30 13:05:38,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 29 transitions, 123 flow [2023-08-30 13:05:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:05:38,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:05:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2023-08-30 13:05:38,138 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.508130081300813 [2023-08-30 13:05:38,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2023-08-30 13:05:38,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2023-08-30 13:05:38,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:05:38,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2023-08-30 13:05:38,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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 13:05:38,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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 13:05:38,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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 13:05:38,146 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states and 250 transitions. [2023-08-30 13:05:38,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 29 transitions, 123 flow [2023-08-30 13:05:38,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:05:38,149 INFO L231 Difference]: Finished difference. Result has 26 places, 18 transitions, 57 flow [2023-08-30 13:05:38,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2023-08-30 13:05:38,152 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2023-08-30 13:05:38,152 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 57 flow [2023-08-30 13:05:38,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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 13:05:38,152 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:05:38,152 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:05:38,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:05:38,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-08-30 13:05:38,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:05:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1678303232, now seen corresponding path program 1 times [2023-08-30 13:05:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:05:38,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871458630] [2023-08-30 13:05:38,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:05:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:05:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:05:38,302 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 13:05:38,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:05:38,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871458630] [2023-08-30 13:05:38,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871458630] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:05:38,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:05:38,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:05:38,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457161360] [2023-08-30 13:05:38,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:05:38,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:05:38,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:05:38,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:05:38,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:05:38,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 164 [2023-08-30 13:05:38,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 57 flow. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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 13:05:38,314 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:05:38,314 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 164 [2023-08-30 13:05:38,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:05:38,386 INFO L130 PetriNetUnfolder]: 86/166 cut-off events. [2023-08-30 13:05:38,386 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-30 13:05:38,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 166 events. 86/166 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 561 event pairs, 44 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 393. Up to 87 conditions per place. [2023-08-30 13:05:38,390 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 21 selfloop transitions, 3 changer transitions 0/25 dead transitions. [2023-08-30 13:05:38,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 25 transitions, 117 flow [2023-08-30 13:05:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:05:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:05:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 314 transitions. [2023-08-30 13:05:38,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47865853658536583 [2023-08-30 13:05:38,395 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 314 transitions. [2023-08-30 13:05:38,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 314 transitions. [2023-08-30 13:05:38,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:05:38,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 314 transitions. [2023-08-30 13:05:38,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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 13:05:38,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 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 13:05:38,400 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 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 13:05:38,400 INFO L175 Difference]: Start difference. First operand has 26 places, 18 transitions, 57 flow. Second operand 4 states and 314 transitions. [2023-08-30 13:05:38,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 25 transitions, 117 flow [2023-08-30 13:05:38,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 114 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:05:38,402 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 52 flow [2023-08-30 13:05:38,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=52, PETRI_PLACES=26, PETRI_TRANSITIONS=16} [2023-08-30 13:05:38,402 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2023-08-30 13:05:38,402 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 16 transitions, 52 flow [2023-08-30 13:05:38,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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 13:05:38,403 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:05:38,403 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:05:38,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:05:38,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-08-30 13:05:38,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:05:38,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1678303233, now seen corresponding path program 1 times [2023-08-30 13:05:38,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:05:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594511411] [2023-08-30 13:05:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:05:38,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:05:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:05:38,490 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 13:05:38,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:05:38,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594511411] [2023-08-30 13:05:38,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594511411] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:05:38,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:05:38,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:05:38,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770798143] [2023-08-30 13:05:38,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:05:38,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:05:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:05:38,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:05:38,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:05:38,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 164 [2023-08-30 13:05:38,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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 13:05:38,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:05:38,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 164 [2023-08-30 13:05:38,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:05:38,550 INFO L130 PetriNetUnfolder]: 80/152 cut-off events. [2023-08-30 13:05:38,551 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2023-08-30 13:05:38,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 152 events. 80/152 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 516 event pairs, 44 based on Foata normal form. 8/157 useless extension candidates. Maximal degree in co-relation 357. Up to 87 conditions per place. [2023-08-30 13:05:38,551 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 0 selfloop transitions, 0 changer transitions 23/23 dead transitions. [2023-08-30 13:05:38,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 23 transitions, 108 flow [2023-08-30 13:05:38,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:05:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:05:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 312 transitions. [2023-08-30 13:05:38,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47560975609756095 [2023-08-30 13:05:38,553 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 312 transitions. [2023-08-30 13:05:38,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 312 transitions. [2023-08-30 13:05:38,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:05:38,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 312 transitions. [2023-08-30 13:05:38,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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 13:05:38,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 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 13:05:38,555 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 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 13:05:38,555 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 52 flow. Second operand 4 states and 312 transitions. [2023-08-30 13:05:38,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 23 transitions, 108 flow [2023-08-30 13:05:38,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 23 transitions, 101 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:05:38,556 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2023-08-30 13:05:38,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2023-08-30 13:05:38,557 INFO L281 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2023-08-30 13:05:38,557 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2023-08-30 13:05:38,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 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 13:05:38,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-08-30 13:05:38,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-08-30 13:05:38,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-08-30 13:05:38,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-08-30 13:05:38,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-08-30 13:05:38,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:05:38,561 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-30 13:05:38,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:05:38,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:05:38,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:05:38 BasicIcfg [2023-08-30 13:05:38,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:05:38,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:05:38,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:05:38,567 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:05:38,567 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:05:35" (3/4) ... [2023-08-30 13:05:38,569 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:05:38,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 13:05:38,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 13:05:38,574 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-30 13:05:38,574 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 13:05:38,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:05:38,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:05:38,611 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:05:38,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:05:38,612 INFO L158 Benchmark]: Toolchain (without parser) took 4411.30ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 43.6MB in the beginning and 54.0MB in the end (delta: -10.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,612 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:05:38,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.84ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 39.1MB in the end (delta: 4.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.16ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,613 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 73.4MB. Free memory was 36.5MB in the beginning and 35.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,613 INFO L158 Benchmark]: RCFGBuilder took 584.93ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 48.2MB in the end (delta: -13.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,613 INFO L158 Benchmark]: TraceAbstraction took 3302.15ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 47.6MB in the beginning and 57.2MB in the end (delta: -9.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,616 INFO L158 Benchmark]: Witness Printer took 44.48ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 54.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:05:38,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.84ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 39.1MB in the end (delta: 4.4MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.16ms. Allocated memory is still 73.4MB. Free memory was 39.1MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.74ms. Allocated memory is still 73.4MB. Free memory was 36.5MB in the beginning and 35.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 584.93ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 48.2MB in the end (delta: -13.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3302.15ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 47.6MB in the beginning and 57.2MB in the end (delta: -9.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 44.48ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 54.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 91 PlacesBefore, 25 PlacesAfterwards, 86 TransitionsBefore, 19 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 3589 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1482, independent: 1306, independent conditional: 0, independent unconditional: 1306, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 647, independent: 616, independent conditional: 0, independent unconditional: 616, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1482, independent: 690, independent conditional: 0, independent unconditional: 690, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 647, unknown conditional: 0, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: 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 5 procedures, 108 locations, 10 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: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 4 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 13:05:38,631 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