./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_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 7caf6351b1a5a890c894e0893d4dbb37232313b5d1e741d22c5bb5a1a3e463fe --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:47:09,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:47:09,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:47:09,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:47:09,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:47:09,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:47:09,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:47:09,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:47:09,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:47:09,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:47:09,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:47:09,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:47:09,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:47:09,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:47:09,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:47:09,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:47:09,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:47:09,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:47:09,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:47:09,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:47:09,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:47:09,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:47:09,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:47:09,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:47:09,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:47:09,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:47:09,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:47:09,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:47:09,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:47:09,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:47:09,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:47:09,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:47:09,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:47:09,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:47:09,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:47:09,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:47:09,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:47:09,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:47:09,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:47:09,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:47:09,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:47:09,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:47:09,553 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:47:09,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:47:09,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:47:09,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:47:09,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:47:09,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:47:09,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:47:09,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:47:09,555 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:47:09,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:47:09,555 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:47:09,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:47:09,557 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:47:09,557 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:47:09,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:47:09,557 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:47:09,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:47:09,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:47:09,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:47:09,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:47:09,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:47:09,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:47:09,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:47:09,559 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:47:09,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:47:09,560 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:47:09,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7caf6351b1a5a890c894e0893d4dbb37232313b5d1e741d22c5bb5a1a3e463fe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:47:09,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:47:09,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:47:09,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:47:09,874 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:47:09,875 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:47:09,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 08:47:11,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:47:11,333 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:47:11,337 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 08:47:11,359 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9393ea131/501d22ef4d754cefb31309b78d968120/FLAG3ead12f9f [2023-08-30 08:47:11,383 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9393ea131/501d22ef4d754cefb31309b78d968120 [2023-08-30 08:47:11,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:47:11,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:47:11,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:47:11,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:47:11,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:47:11,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dac288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11, skipping insertion in model container [2023-08-30 08:47:11,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:47:11,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:47:11,611 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/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2023-08-30 08:47:11,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:47:11,790 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:47:11,803 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/safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i[1017,1030] [2023-08-30 08:47:11,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:47:11,886 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:47:11,886 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:47:11,892 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:47:11,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11 WrapperNode [2023-08-30 08:47:11,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:47:11,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:47:11,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:47:11,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:47:11,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,927 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-08-30 08:47:11,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:47:11,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:47:11,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:47:11,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:47:11,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:47:11,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:47:11,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:47:11,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:47:11,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (1/1) ... [2023-08-30 08:47:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:47:11,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:47:11,975 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 08:47:11,981 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 08:47:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:47:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:47:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:47:12,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:47:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:47:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 08:47:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 08:47:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 08:47:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 08:47:12,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:47:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:47:12,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:47:12,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:47:12,012 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 08:47:12,110 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:47:12,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:47:12,294 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:47:12,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:47:12,316 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:47:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:47:12 BoogieIcfgContainer [2023-08-30 08:47:12,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:47:12,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:47:12,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:47:12,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:47:12,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:47:11" (1/3) ... [2023-08-30 08:47:12,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7427d919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:47:12, skipping insertion in model container [2023-08-30 08:47:12,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:47:11" (2/3) ... [2023-08-30 08:47:12,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7427d919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:47:12, skipping insertion in model container [2023-08-30 08:47:12,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:47:12" (3/3) ... [2023-08-30 08:47:12,326 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_pso.oepc_pso.opt_tso.oepc_tso.opt-thin000_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2023-08-30 08:47:12,334 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:47:12,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:47:12,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 08:47:12,343 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:47:12,440 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 08:47:12,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 71 transitions, 152 flow [2023-08-30 08:47:12,541 INFO L130 PetriNetUnfolder]: 2/69 cut-off events. [2023-08-30 08:47:12,541 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:47:12,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-30 08:47:12,546 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 71 transitions, 152 flow [2023-08-30 08:47:12,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 69 transitions, 144 flow [2023-08-30 08:47:12,555 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:47:12,568 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 69 transitions, 144 flow [2023-08-30 08:47:12,572 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 69 transitions, 144 flow [2023-08-30 08:47:12,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 69 transitions, 144 flow [2023-08-30 08:47:12,604 INFO L130 PetriNetUnfolder]: 2/69 cut-off events. [2023-08-30 08:47:12,605 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:47:12,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-30 08:47:12,608 INFO L119 LiptonReduction]: Number of co-enabled transitions 1040 [2023-08-30 08:47:14,651 INFO L134 LiptonReduction]: Checked pairs total: 2855 [2023-08-30 08:47:14,651 INFO L136 LiptonReduction]: Total number of compositions: 63 [2023-08-30 08:47:14,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:47:14,679 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;@388666e5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:47:14,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-30 08:47:14,683 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 08:47:14,684 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:47:14,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:47:14,685 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:47:14,686 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 08:47:14,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:47:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash 254886410, now seen corresponding path program 1 times [2023-08-30 08:47:14,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:47:14,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258702068] [2023-08-30 08:47:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:47:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:47:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:47:14,886 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 08:47:14,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:47:14,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258702068] [2023-08-30 08:47:14,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258702068] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:47:14,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:47:14,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 08:47:14,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315676050] [2023-08-30 08:47:14,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:47:14,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:47:14,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:47:14,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:47:14,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:47:14,922 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 134 [2023-08-30 08:47:14,924 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 17 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 08:47:14,924 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:47:14,924 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 134 [2023-08-30 08:47:14,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:47:14,977 INFO L130 PetriNetUnfolder]: 40/92 cut-off events. [2023-08-30 08:47:14,978 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 08:47:14,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 92 events. 40/92 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 280 event pairs, 11 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 180. Up to 59 conditions per place. [2023-08-30 08:47:14,980 INFO L137 encePairwiseOnDemand]: 126/134 looper letters, 17 selfloop transitions, 3 changer transitions 2/24 dead transitions. [2023-08-30 08:47:14,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 24 transitions, 101 flow [2023-08-30 08:47:14,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:47:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:47:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-08-30 08:47:14,992 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5099502487562189 [2023-08-30 08:47:14,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-08-30 08:47:14,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-08-30 08:47:14,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:47:14,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-08-30 08:47:14,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 08:47:15,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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 08:47:15,003 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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 08:47:15,005 INFO L175 Difference]: Start difference. First operand has 23 places, 17 transitions, 40 flow. Second operand 3 states and 205 transitions. [2023-08-30 08:47:15,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 24 transitions, 101 flow [2023-08-30 08:47:15,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 24 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 08:47:15,009 INFO L231 Difference]: Finished difference. Result has 24 places, 16 transitions, 53 flow [2023-08-30 08:47:15,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=36, PETRI_DIFFERENCE_MINUEND_PLACES=21, 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=3, PETRI_FLOW=53, PETRI_PLACES=24, PETRI_TRANSITIONS=16} [2023-08-30 08:47:15,015 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places. [2023-08-30 08:47:15,015 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 53 flow [2023-08-30 08:47:15,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 08:47:15,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:47:15,016 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:47:15,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:47:15,016 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 08:47:15,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:47:15,017 INFO L85 PathProgramCache]: Analyzing trace with hash 941995736, now seen corresponding path program 1 times [2023-08-30 08:47:15,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:47:15,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752732347] [2023-08-30 08:47:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:47:15,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:47:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:47:15,115 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 08:47:15,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:47:15,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752732347] [2023-08-30 08:47:15,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752732347] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:47:15,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:47:15,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:47:15,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087096780] [2023-08-30 08:47:15,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:47:15,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:47:15,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:47:15,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:47:15,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:47:15,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 134 [2023-08-30 08:47:15,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 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 08:47:15,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:47:15,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 134 [2023-08-30 08:47:15,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:47:15,165 INFO L130 PetriNetUnfolder]: 31/74 cut-off events. [2023-08-30 08:47:15,166 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 08:47:15,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 74 events. 31/74 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 209 event pairs, 11 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 178. Up to 40 conditions per place. [2023-08-30 08:47:15,167 INFO L137 encePairwiseOnDemand]: 129/134 looper letters, 15 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2023-08-30 08:47:15,167 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 95 flow [2023-08-30 08:47:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:47:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:47:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 256 transitions. [2023-08-30 08:47:15,170 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47761194029850745 [2023-08-30 08:47:15,170 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 256 transitions. [2023-08-30 08:47:15,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 256 transitions. [2023-08-30 08:47:15,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:47:15,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 256 transitions. [2023-08-30 08:47:15,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 64.0) internal successors, (256), 4 states have internal predecessors, (256), 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 08:47:15,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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 08:47:15,174 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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 08:47:15,174 INFO L175 Difference]: Start difference. First operand has 24 places, 16 transitions, 53 flow. Second operand 4 states and 256 transitions. [2023-08-30 08:47:15,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 95 flow [2023-08-30 08:47:15,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 92 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:47:15,175 INFO L231 Difference]: Finished difference. Result has 24 places, 14 transitions, 48 flow [2023-08-30 08:47:15,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=48, PETRI_PLACES=24, PETRI_TRANSITIONS=14} [2023-08-30 08:47:15,176 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places. [2023-08-30 08:47:15,176 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 14 transitions, 48 flow [2023-08-30 08:47:15,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 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 08:47:15,177 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:47:15,177 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:47:15,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:47:15,178 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 08:47:15,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:47:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash 941995737, now seen corresponding path program 1 times [2023-08-30 08:47:15,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:47:15,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800552874] [2023-08-30 08:47:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:47:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:47:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:47:15,263 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 08:47:15,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:47:15,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800552874] [2023-08-30 08:47:15,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800552874] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:47:15,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:47:15,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:47:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971823798] [2023-08-30 08:47:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:47:15,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:47:15,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:47:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:47:15,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:47:15,272 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 134 [2023-08-30 08:47:15,273 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 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 08:47:15,273 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:47:15,273 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 134 [2023-08-30 08:47:15,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:47:15,304 INFO L130 PetriNetUnfolder]: 27/64 cut-off events. [2023-08-30 08:47:15,305 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-30 08:47:15,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 64 events. 27/64 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 178 event pairs, 11 based on Foata normal form. 6/67 useless extension candidates. Maximal degree in co-relation 152. Up to 30 conditions per place. [2023-08-30 08:47:15,305 INFO L137 encePairwiseOnDemand]: 129/134 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2023-08-30 08:47:15,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 86 flow [2023-08-30 08:47:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 08:47:15,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 08:47:15,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 254 transitions. [2023-08-30 08:47:15,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47388059701492535 [2023-08-30 08:47:15,308 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 254 transitions. [2023-08-30 08:47:15,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 254 transitions. [2023-08-30 08:47:15,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:47:15,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 254 transitions. [2023-08-30 08:47:15,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 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 08:47:15,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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 08:47:15,312 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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 08:47:15,312 INFO L175 Difference]: Start difference. First operand has 24 places, 14 transitions, 48 flow. Second operand 4 states and 254 transitions. [2023-08-30 08:47:15,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 18 transitions, 86 flow [2023-08-30 08:47:15,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 18 transitions, 79 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:47:15,313 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2023-08-30 08:47:15,313 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=22, PETRI_TRANSITIONS=0} [2023-08-30 08:47:15,314 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, -1 predicate places. [2023-08-30 08:47:15,314 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2023-08-30 08:47:15,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 4 states have internal predecessors, (244), 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 08:47:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-08-30 08:47:15,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-08-30 08:47:15,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-08-30 08:47:15,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-08-30 08:47:15,318 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-08-30 08:47:15,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-08-30 08:47:15,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-08-30 08:47:15,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-08-30 08:47:15,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-08-30 08:47:15,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-08-30 08:47:15,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:47:15,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-30 08:47:15,325 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:47:15,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:47:15,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:47:15 BasicIcfg [2023-08-30 08:47:15,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:47:15,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:47:15,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:47:15,330 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:47:15,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:47:12" (3/4) ... [2023-08-30 08:47:15,333 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:47:15,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-08-30 08:47:15,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-08-30 08:47:15,341 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-30 08:47:15,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 08:47:15,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:47:15,342 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:47:15,369 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:47:15,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:47:15,370 INFO L158 Benchmark]: Toolchain (without parser) took 3983.40ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 49.1MB in the end (delta: -1.7MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,370 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:47:15,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.07ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 58.7MB in the end (delta: -11.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.89ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,371 INFO L158 Benchmark]: Boogie Preprocessor took 20.50ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 55.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,372 INFO L158 Benchmark]: RCFGBuilder took 368.79ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 41.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,372 INFO L158 Benchmark]: TraceAbstraction took 3009.29ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 51.8MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:47:15,372 INFO L158 Benchmark]: Witness Printer took 40.09ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 49.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:47:15,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.07ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 58.7MB in the end (delta: -11.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.89ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 56.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.50ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 55.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.79ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 41.5MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3009.29ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 51.8MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.09ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 49.1MB in the end (delta: 2.7MB). 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: 2.1s, 74 PlacesBefore, 23 PlacesAfterwards, 69 TransitionsBefore, 17 TransitionsAfterwards, 1040 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 2855 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1605, independent: 1480, independent conditional: 0, independent unconditional: 1480, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 592, independent: 566, independent conditional: 0, independent unconditional: 566, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1605, independent: 914, independent conditional: 0, independent unconditional: 914, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 592, unknown conditional: 0, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 730]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 730]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: 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, 90 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: 2.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 6 mSDtfsCounter, 90 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=53occurred 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, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 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 08:47:15,393 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