./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/mix006_power.oepc_pso.oepc_rmo.oepc.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 932dbff5eab91f48afae7fbaa75574114ec0af0a04ac9352bdcfc8911a65e56a --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:12:57,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:12:57,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:12:57,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:12:57,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:12:57,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:12:57,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:12:57,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:12:57,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:12:57,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:12:57,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:12:57,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:12:57,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:12:57,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:12:57,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:12:57,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:12:57,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:12:57,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:12:57,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:12:57,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:12:57,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:12:57,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:12:57,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:12:57,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:12:57,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:12:57,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:12:57,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:12:57,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:12:57,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:12:57,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:12:57,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:12:57,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:12:57,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:12:57,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:12:57,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:12:57,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:12:57,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:12:57,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:12:57,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:12:57,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:12:57,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:12:57,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:12:57,190 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:12:57,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:12:57,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:12:57,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:12:57,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:12:57,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:12:57,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:12:57,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:12:57,193 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:12:57,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:12:57,194 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:12:57,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:12:57,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:12:57,195 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:12:57,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:12:57,196 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:12:57,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:12:57,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:12:57,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:12:57,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:12:57,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:12:57,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:12:57,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:12:57,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:12:57,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:12:57,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:12:57,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:12:57,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:12:57,198 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:12:57,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:12:57,198 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:12:57,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932dbff5eab91f48afae7fbaa75574114ec0af0a04ac9352bdcfc8911a65e56a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:12:57,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:12:57,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:12:57,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:12:57,495 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:12:57,496 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:12:57,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i [2023-09-01 05:12:58,611 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:12:58,848 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:12:58,849 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_power.oepc_pso.oepc_rmo.oepc.i [2023-09-01 05:12:58,858 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deacc5703/c02072b827aa460aa0ea241f04d553dd/FLAG7d2acfa12 [2023-09-01 05:12:58,867 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deacc5703/c02072b827aa460aa0ea241f04d553dd [2023-09-01 05:12:58,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:12:58,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:12:58,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:12:58,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:12:58,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:12:58,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:12:58" (1/1) ... [2023-09-01 05:12:58,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd316c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:58, skipping insertion in model container [2023-09-01 05:12:58,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:12:58" (1/1) ... [2023-09-01 05:12:58,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:12:58,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:12:58,996 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/mix006_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-09-01 05:12:59,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:12:59,144 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:12:59,154 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/mix006_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-09-01 05:12:59,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:12:59,209 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:12:59,209 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:12:59,215 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:12:59,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59 WrapperNode [2023-09-01 05:12:59,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:12:59,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:12:59,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:12:59,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:12:59,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,270 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2023-09-01 05:12:59,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:12:59,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:12:59,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:12:59,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:12:59,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:12:59,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:12:59,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:12:59,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:12:59,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (1/1) ... [2023-09-01 05:12:59,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:12:59,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:12:59,359 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) [2023-09-01 05:12:59,367 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 [2023-09-01 05:12:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:12:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:12:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:12:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:12:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:12:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-01 05:12:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-01 05:12:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-01 05:12:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-01 05:12:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-01 05:12:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-01 05:12:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:12:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:12:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:12:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:12:59,393 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:12:59,552 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:12:59,553 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:12:59,834 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:12:59,945 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:12:59,945 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:12:59,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:59 BoogieIcfgContainer [2023-09-01 05:12:59,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:12:59,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:12:59,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:12:59,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:12:59,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:12:58" (1/3) ... [2023-09-01 05:12:59,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c001cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:12:59, skipping insertion in model container [2023-09-01 05:12:59,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:12:59" (2/3) ... [2023-09-01 05:12:59,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c001cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:12:59, skipping insertion in model container [2023-09-01 05:12:59,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:59" (3/3) ... [2023-09-01 05:12:59,955 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_power.oepc_pso.oepc_rmo.oepc.i [2023-09-01 05:12:59,961 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:12:59,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:12:59,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-09-01 05:12:59,968 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:13:00,032 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-01 05:13:00,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 116 transitions, 247 flow [2023-09-01 05:13:00,118 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2023-09-01 05:13:00,119 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:13:00,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2023-09-01 05:13:00,124 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 116 transitions, 247 flow [2023-09-01 05:13:00,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 113 transitions, 235 flow [2023-09-01 05:13:00,131 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:13:00,145 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 113 transitions, 235 flow [2023-09-01 05:13:00,148 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 113 transitions, 235 flow [2023-09-01 05:13:00,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 235 flow [2023-09-01 05:13:00,181 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2023-09-01 05:13:00,181 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:13:00,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2023-09-01 05:13:00,184 INFO L119 LiptonReduction]: Number of co-enabled transitions 2576 [2023-09-01 05:13:03,395 INFO L134 LiptonReduction]: Checked pairs total: 10201 [2023-09-01 05:13:03,396 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-09-01 05:13:03,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:13:03,412 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;@eb399f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:13:03,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-09-01 05:13:03,416 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-09-01 05:13:03,416 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:13:03,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:13:03,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 05:13:03,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:13:03,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:13:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2087992172, now seen corresponding path program 1 times [2023-09-01 05:13:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:13:03,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913435996] [2023-09-01 05:13:03,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:13:03,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:13:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:13:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:13:03,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:13:03,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913435996] [2023-09-01 05:13:03,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913435996] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:13:03,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:13:03,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 05:13:03,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10734856] [2023-09-01 05:13:03,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:13:03,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 05:13:03,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:13:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 05:13:03,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 05:13:03,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:13:03,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2023-09-01 05:13:03,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:13:03,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:13:03,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:13:04,038 INFO L130 PetriNetUnfolder]: 1689/2600 cut-off events. [2023-09-01 05:13:04,038 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-09-01 05:13:04,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5221 conditions, 2600 events. 1689/2600 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 13519 event pairs, 557 based on Foata normal form. 138/2155 useless extension candidates. Maximal degree in co-relation 5210. Up to 1883 conditions per place. [2023-09-01 05:13:04,051 INFO L137 encePairwiseOnDemand]: 195/206 looper letters, 42 selfloop transitions, 4 changer transitions 0/50 dead transitions. [2023-09-01 05:13:04,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 50 transitions, 207 flow [2023-09-01 05:13:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 05:13:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 05:13:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 336 transitions. [2023-09-01 05:13:04,060 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5436893203883495 [2023-09-01 05:13:04,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 336 transitions. [2023-09-01 05:13:04,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 336 transitions. [2023-09-01 05:13:04,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:13:04,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 336 transitions. [2023-09-01 05:13:04,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2023-09-01 05:13:04,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2023-09-01 05:13:04,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 206.0) internal successors, (824), 4 states have internal predecessors, (824), 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) [2023-09-01 05:13:04,069 INFO L175 Difference]: Start difference. First operand has 41 places, 32 transitions, 73 flow. Second operand 3 states and 336 transitions. [2023-09-01 05:13:04,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 50 transitions, 207 flow [2023-09-01 05:13:04,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 50 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:13:04,073 INFO L231 Difference]: Finished difference. Result has 41 places, 34 transitions, 104 flow [2023-09-01 05:13:04,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2023-09-01 05:13:04,076 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 0 predicate places. [2023-09-01 05:13:04,076 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 104 flow [2023-09-01 05:13:04,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 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) [2023-09-01 05:13:04,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:13:04,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:13:04,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:13:04,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:13:04,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:13:04,078 INFO L85 PathProgramCache]: Analyzing trace with hash -2045228139, now seen corresponding path program 1 times [2023-09-01 05:13:04,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:13:04,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396846193] [2023-09-01 05:13:04,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:13:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:13:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:13:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:13:04,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:13:04,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396846193] [2023-09-01 05:13:04,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396846193] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:13:04,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:13:04,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:13:04,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442645459] [2023-09-01 05:13:04,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:13:04,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:13:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:13:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:13:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:13:04,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:13:04,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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) [2023-09-01 05:13:04,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:13:04,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:13:04,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:13:04,463 INFO L130 PetriNetUnfolder]: 1351/2066 cut-off events. [2023-09-01 05:13:04,464 INFO L131 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2023-09-01 05:13:04,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4929 conditions, 2066 events. 1351/2066 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 10464 event pairs, 485 based on Foata normal form. 0/1765 useless extension candidates. Maximal degree in co-relation 4918. Up to 1348 conditions per place. [2023-09-01 05:13:04,473 INFO L137 encePairwiseOnDemand]: 199/206 looper letters, 39 selfloop transitions, 4 changer transitions 0/47 dead transitions. [2023-09-01 05:13:04,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 47 transitions, 214 flow [2023-09-01 05:13:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:13:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:13:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 422 transitions. [2023-09-01 05:13:04,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5121359223300971 [2023-09-01 05:13:04,478 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 422 transitions. [2023-09-01 05:13:04,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 422 transitions. [2023-09-01 05:13:04,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:13:04,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 422 transitions. [2023-09-01 05:13:04,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2023-09-01 05:13:04,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2023-09-01 05:13:04,484 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2023-09-01 05:13:04,484 INFO L175 Difference]: Start difference. First operand has 41 places, 34 transitions, 104 flow. Second operand 4 states and 422 transitions. [2023-09-01 05:13:04,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 47 transitions, 214 flow [2023-09-01 05:13:04,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 47 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:13:04,486 INFO L231 Difference]: Finished difference. Result has 40 places, 31 transitions, 96 flow [2023-09-01 05:13:04,486 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=96, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2023-09-01 05:13:04,487 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places. [2023-09-01 05:13:04,487 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 96 flow [2023-09-01 05:13:04,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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) [2023-09-01 05:13:04,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:13:04,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:13:04,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:13:04,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:13:04,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:13:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2045228138, now seen corresponding path program 1 times [2023-09-01 05:13:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:13:04,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819202916] [2023-09-01 05:13:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:13:04,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:13:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:13:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:13:04,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:13:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819202916] [2023-09-01 05:13:04,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819202916] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:13:04,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:13:04,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 05:13:04,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760339694] [2023-09-01 05:13:04,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:13:04,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-09-01 05:13:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:13:04,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-09-01 05:13:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-09-01 05:13:04,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:13:04,551 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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) [2023-09-01 05:13:04,551 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:13:04,551 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:13:04,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:13:04,757 INFO L130 PetriNetUnfolder]: 1094/1667 cut-off events. [2023-09-01 05:13:04,757 INFO L131 PetriNetUnfolder]: For 520/520 co-relation queries the response was YES. [2023-09-01 05:13:04,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3932 conditions, 1667 events. 1094/1667 cut-off events. For 520/520 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8250 event pairs, 443 based on Foata normal form. 0/1549 useless extension candidates. Maximal degree in co-relation 3920. Up to 684 conditions per place. [2023-09-01 05:13:04,765 INFO L137 encePairwiseOnDemand]: 199/206 looper letters, 50 selfloop transitions, 7 changer transitions 3/64 dead transitions. [2023-09-01 05:13:04,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 64 transitions, 294 flow [2023-09-01 05:13:04,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-09-01 05:13:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-09-01 05:13:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 439 transitions. [2023-09-01 05:13:04,767 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5327669902912622 [2023-09-01 05:13:04,767 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 439 transitions. [2023-09-01 05:13:04,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 439 transitions. [2023-09-01 05:13:04,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:13:04,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 439 transitions. [2023-09-01 05:13:04,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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) [2023-09-01 05:13:04,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2023-09-01 05:13:04,770 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 206.0) internal successors, (1030), 5 states have internal predecessors, (1030), 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) [2023-09-01 05:13:04,770 INFO L175 Difference]: Start difference. First operand has 40 places, 31 transitions, 96 flow. Second operand 4 states and 439 transitions. [2023-09-01 05:13:04,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 64 transitions, 294 flow [2023-09-01 05:13:04,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 64 transitions, 289 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 05:13:04,772 INFO L231 Difference]: Finished difference. Result has 42 places, 31 transitions, 117 flow [2023-09-01 05:13:04,772 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=117, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2023-09-01 05:13:04,773 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, 1 predicate places. [2023-09-01 05:13:04,773 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 117 flow [2023-09-01 05:13:04,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 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) [2023-09-01 05:13:04,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:13:04,773 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:13:04,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:13:04,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-09-01 05:13:04,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:13:04,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1774651877, now seen corresponding path program 1 times [2023-09-01 05:13:04,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:13:04,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232673124] [2023-09-01 05:13:04,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:13:04,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:13:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:13:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:13:04,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:13:04,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232673124] [2023-09-01 05:13:04,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232673124] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:13:04,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:13:04,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:13:04,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152486981] [2023-09-01 05:13:04,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:13:04,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:13:04,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:13:04,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:13:04,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:13:04,858 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 206 [2023-09-01 05:13:04,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 117 flow. Second operand has 5 states, 5 states have (on average 97.2) internal successors, (486), 5 states have internal predecessors, (486), 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) [2023-09-01 05:13:04,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:13:04,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 206 [2023-09-01 05:13:04,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:13:05,054 INFO L130 PetriNetUnfolder]: 1062/1611 cut-off events. [2023-09-01 05:13:05,054 INFO L131 PetriNetUnfolder]: For 1098/1098 co-relation queries the response was YES. [2023-09-01 05:13:05,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4245 conditions, 1611 events. 1062/1611 cut-off events. For 1098/1098 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8070 event pairs, 443 based on Foata normal form. 18/1533 useless extension candidates. Maximal degree in co-relation 4232. Up to 684 conditions per place. [2023-09-01 05:13:05,060 INFO L137 encePairwiseOnDemand]: 199/206 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2023-09-01 05:13:05,060 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 58 transitions, 273 flow [2023-09-01 05:13:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-01 05:13:05,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-09-01 05:13:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 527 transitions. [2023-09-01 05:13:05,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5116504854368932 [2023-09-01 05:13:05,065 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 527 transitions. [2023-09-01 05:13:05,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 527 transitions. [2023-09-01 05:13:05,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:13:05,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 527 transitions. [2023-09-01 05:13:05,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.4) internal successors, (527), 5 states have internal predecessors, (527), 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) [2023-09-01 05:13:05,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 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) [2023-09-01 05:13:05,068 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 206.0) internal successors, (1236), 6 states have internal predecessors, (1236), 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) [2023-09-01 05:13:05,068 INFO L175 Difference]: Start difference. First operand has 42 places, 31 transitions, 117 flow. Second operand 5 states and 527 transitions. [2023-09-01 05:13:05,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 58 transitions, 273 flow [2023-09-01 05:13:05,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 58 transitions, 249 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-09-01 05:13:05,074 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-09-01 05:13:05,074 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=206, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-09-01 05:13:05,075 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2023-09-01 05:13:05,076 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-09-01 05:13:05,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.2) internal successors, (486), 5 states have internal predecessors, (486), 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) [2023-09-01 05:13:05,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-09-01 05:13:05,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-09-01 05:13:05,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-09-01 05:13:05,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-09-01 05:13:05,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-09-01 05:13:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-09-01 05:13:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-09-01 05:13:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-09-01 05:13:05,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-09-01 05:13:05,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:13:05,081 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-01 05:13:05,086 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:13:05,086 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:13:05,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:13:05 BasicIcfg [2023-09-01 05:13:05,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:13:05,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:13:05,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:13:05,094 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:13:05,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:12:59" (3/4) ... [2023-09-01 05:13:05,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:13:05,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-09-01 05:13:05,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-09-01 05:13:05,100 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-09-01 05:13:05,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-09-01 05:13:05,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-09-01 05:13:05,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:13:05,104 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:13:05,141 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:13:05,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:13:05,142 INFO L158 Benchmark]: Toolchain (without parser) took 6272.20ms. Allocated memory was 58.7MB in the beginning and 176.2MB in the end (delta: 117.4MB). Free memory was 35.2MB in the beginning and 149.5MB in the end (delta: -114.3MB). Peak memory consumption was 108.2MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,143 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:13:05,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.46ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 27.2MB in the end (delta: 7.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 27.2MB in the beginning and 57.0MB in the end (delta: -29.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,143 INFO L158 Benchmark]: Boogie Preprocessor took 33.11ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,143 INFO L158 Benchmark]: RCFGBuilder took 639.37ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 37.4MB in the end (delta: 17.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,144 INFO L158 Benchmark]: TraceAbstraction took 5144.02ms. Allocated memory was 77.6MB in the beginning and 176.2MB in the end (delta: 98.6MB). Free memory was 36.6MB in the beginning and 49.5MB in the end (delta: -12.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,144 INFO L158 Benchmark]: Witness Printer took 48.56ms. Allocated memory is still 176.2MB. Free memory was 49.5MB in the beginning and 149.5MB in the end (delta: -100.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:13:05,145 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 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.46ms. Allocated memory is still 58.7MB. Free memory was 34.9MB in the beginning and 27.2MB in the end (delta: 7.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 27.2MB in the beginning and 57.0MB in the end (delta: -29.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.11ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.37ms. Allocated memory is still 77.6MB. Free memory was 54.9MB in the beginning and 37.4MB in the end (delta: 17.4MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5144.02ms. Allocated memory was 77.6MB in the beginning and 176.2MB in the end (delta: 98.6MB). Free memory was 36.6MB in the beginning and 49.5MB in the end (delta: -12.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 48.56ms. Allocated memory is still 176.2MB. Free memory was 49.5MB in the beginning and 149.5MB in the end (delta: -100.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 121 PlacesBefore, 41 PlacesAfterwards, 113 TransitionsBefore, 32 TransitionsAfterwards, 2576 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 90 TotalNumberOfCompositions, 10201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3942, independent: 3626, independent conditional: 0, independent unconditional: 3626, dependent: 316, dependent conditional: 0, dependent unconditional: 316, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1360, independent: 1310, independent conditional: 0, independent unconditional: 1310, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3942, independent: 2316, independent conditional: 0, independent unconditional: 2316, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 1360, unknown conditional: 0, unknown unconditional: 1360] , Statistics on independence cache: Total cache size (in pairs): 187, Positive cache size: 164, Positive conditional cache size: 0, Positive unconditional cache size: 164, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 150 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 281 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 5 mSDtfsCounter, 281 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-01 05:13:05,183 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