./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'dcc3fad0768415d67ba0b5226238487b935d262c55e83ab1790d239680fbb73d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 dcc3fad0768415d67ba0b5226238487b935d262c55e83ab1790d239680fbb73d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:26:35,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:26:35,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:26:35,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:26:35,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:26:35,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:26:35,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:26:35,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:26:35,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:26:35,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:26:35,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:26:35,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:26:35,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:26:35,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:26:35,259 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:26:35,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:26:35,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:26:35,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:26:35,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:26:35,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:26:35,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:26:35,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:26:35,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:26:35,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:26:35,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:26:35,265 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> dcc3fad0768415d67ba0b5226238487b935d262c55e83ab1790d239680fbb73d [2024-11-07 23:26:35,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:26:35,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:26:35,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:26:35,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:26:35,543 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:26:35,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 23:26:36,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:26:37,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:26:37,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 23:26:37,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/348746a14/e59a1cd9ab3047a8bca298d1d210944c/FLAGdb166a308 [2024-11-07 23:26:37,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/348746a14/e59a1cd9ab3047a8bca298d1d210944c [2024-11-07 23:26:37,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:26:37,062 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:26:37,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:26:37,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:26:37,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:26:37,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d40c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37, skipping insertion in model container [2024-11-07 23:26:37,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:26:37,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:26:37,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:26:37,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:26:37,423 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:26:37,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37 WrapperNode [2024-11-07 23:26:37,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:26:37,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:26:37,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:26:37,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:26:37,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,464 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2024-11-07 23:26:37,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:26:37,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:26:37,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:26:37,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:26:37,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,499 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 23:26:37,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:26:37,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:26:37,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:26:37,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:26:37,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (1/1) ... [2024-11-07 23:26:37,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:26:37,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:26:37,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 23:26:37,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 23:26:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 23:26:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 23:26:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-07 23:26:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:26:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:26:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:26:37,583 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 23:26:37,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:26:37,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:26:38,050 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:26:38,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:26:38,227 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:26:38,228 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:26:38,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:26:38 BoogieIcfgContainer [2024-11-07 23:26:38,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:26:38,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:26:38,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:26:38,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:26:38,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:26:37" (1/3) ... [2024-11-07 23:26:38,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6f2d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:26:38, skipping insertion in model container [2024-11-07 23:26:38,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:26:37" (2/3) ... [2024-11-07 23:26:38,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6f2d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:26:38, skipping insertion in model container [2024-11-07 23:26:38,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:26:38" (3/3) ... [2024-11-07 23:26:38,241 INFO L112 eAbstractionObserver]: Analyzing ICFG mix047_power.oepc_pso.oepc_rmo.oepc.i [2024-11-07 23:26:38,263 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:26:38,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 23:26:38,263 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:26:38,326 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 23:26:38,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-07 23:26:38,372 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-07 23:26:38,373 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:26:38,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 23:26:38,375 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-07 23:26:38,377 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-07 23:26:38,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:26:38,389 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@388b38bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:26:38,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-07 23:26:38,394 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:26:38,394 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-07 23:26:38,394 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:26:38,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:26:38,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:26:38,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-07 23:26:38,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:26:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash -174668727, now seen corresponding path program 1 times [2024-11-07 23:26:38,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:26:38,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784317584] [2024-11-07 23:26:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:26:38,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:26:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:26:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:26:38,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:26:38,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784317584] [2024-11-07 23:26:38,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784317584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:26:38,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:26:38,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 23:26:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602479643] [2024-11-07 23:26:38,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:26:38,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:26:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:26:38,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:26:38,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:26:38,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-07 23:26:38,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-07 23:26:38,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:26:38,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-07 23:26:38,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:26:41,542 INFO L124 PetriNetUnfolderBase]: 22099/29659 cut-off events. [2024-11-07 23:26:41,542 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-07 23:26:41,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59635 conditions, 29659 events. 22099/29659 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1569. Compared 185200 event pairs, 9017 based on Foata normal form. 0/21741 useless extension candidates. Maximal degree in co-relation 59623. Up to 28869 conditions per place. [2024-11-07 23:26:41,728 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 49 selfloop transitions, 5 changer transitions 0/68 dead transitions. [2024-11-07 23:26:41,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 68 transitions, 265 flow [2024-11-07 23:26:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:26:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 23:26:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2024-11-07 23:26:41,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7435897435897436 [2024-11-07 23:26:41,741 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 116 transitions. [2024-11-07 23:26:41,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 68 transitions, 265 flow [2024-11-07 23:26:41,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 258 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 23:26:41,753 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-07 23:26:41,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-07 23:26:41,760 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-07 23:26:41,760 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-07 23:26:41,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-07 23:26:41,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:26:41,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:26:41,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:26:41,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-07 23:26:41,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:26:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -193484832, now seen corresponding path program 1 times [2024-11-07 23:26:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:26:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699646348] [2024-11-07 23:26:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:26:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:26:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:26:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:26:41,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:26:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699646348] [2024-11-07 23:26:41,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699646348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:26:41,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:26:41,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:26:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11957544] [2024-11-07 23:26:41,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:26:41,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:26:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:26:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:26:41,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:26:41,959 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-07 23:26:41,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-07 23:26:41,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:26:41,960 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-07 23:26:41,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:26:43,336 INFO L124 PetriNetUnfolderBase]: 12417/16813 cut-off events. [2024-11-07 23:26:43,337 INFO L125 PetriNetUnfolderBase]: For 1233/1233 co-relation queries the response was YES. [2024-11-07 23:26:43,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39650 conditions, 16813 events. 12417/16813 cut-off events. For 1233/1233 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 101414 event pairs, 4275 based on Foata normal form. 0/13989 useless extension candidates. Maximal degree in co-relation 39639. Up to 16022 conditions per place. [2024-11-07 23:26:43,460 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-07 23:26:43,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 64 transitions, 273 flow [2024-11-07 23:26:43,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:26:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:26:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-07 23:26:43,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6057692307692307 [2024-11-07 23:26:43,464 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 126 transitions. [2024-11-07 23:26:43,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 64 transitions, 273 flow [2024-11-07 23:26:43,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 64 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:26:43,468 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-07 23:26:43,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2024-11-07 23:26:43,469 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-07 23:26:43,470 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-07 23:26:43,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-07 23:26:43,470 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:26:43,470 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:26:43,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:26:43,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-07 23:26:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:26:43,471 INFO L85 PathProgramCache]: Analyzing trace with hash -193484831, now seen corresponding path program 1 times [2024-11-07 23:26:43,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:26:43,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546671792] [2024-11-07 23:26:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:26:43,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:26:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:26:43,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:26:43,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:26:43,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546671792] [2024-11-07 23:26:43,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546671792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:26:43,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:26:43,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:26:43,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424843198] [2024-11-07 23:26:43,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:26:43,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:26:43,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:26:43,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:26:43,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:26:43,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-07 23:26:43,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-07 23:26:43,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:26:43,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-07 23:26:43,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:26:44,592 INFO L124 PetriNetUnfolderBase]: 8671/11911 cut-off events. [2024-11-07 23:26:44,593 INFO L125 PetriNetUnfolderBase]: For 1746/1746 co-relation queries the response was YES. [2024-11-07 23:26:44,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27479 conditions, 11911 events. 8671/11911 cut-off events. For 1746/1746 co-relation queries the response was YES. Maximal size of possible extension queue 608. Compared 69763 event pairs, 1503 based on Foata normal form. 0/10696 useless extension candidates. Maximal degree in co-relation 27467. Up to 8721 conditions per place. [2024-11-07 23:26:44,761 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 63 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2024-11-07 23:26:44,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 86 transitions, 378 flow [2024-11-07 23:26:44,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:26:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:26:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 148 transitions. [2024-11-07 23:26:44,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7115384615384616 [2024-11-07 23:26:44,767 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 148 transitions. [2024-11-07 23:26:44,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 86 transitions, 378 flow [2024-11-07 23:26:44,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 23:26:44,773 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-07 23:26:44,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-07 23:26:44,774 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-07 23:26:44,774 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-07 23:26:44,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-07 23:26:44,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:26:44,774 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:26:44,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:26:44,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-07 23:26:44,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:26:44,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1504437772, now seen corresponding path program 1 times [2024-11-07 23:26:44,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:26:44,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506468308] [2024-11-07 23:26:44,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:26:44,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:26:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:26:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:26:44,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:26:44,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506468308] [2024-11-07 23:26:44,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506468308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:26:44,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:26:44,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:26:44,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397803471] [2024-11-07 23:26:44,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:26:44,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:26:44,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:26:44,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:26:44,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:26:44,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-07 23:26:44,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-07 23:26:44,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:26:44,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-07 23:26:44,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:26:46,098 INFO L124 PetriNetUnfolderBase]: 6607/9103 cut-off events. [2024-11-07 23:26:46,099 INFO L125 PetriNetUnfolderBase]: For 4236/4236 co-relation queries the response was YES. [2024-11-07 23:26:46,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23632 conditions, 9103 events. 6607/9103 cut-off events. For 4236/4236 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 52575 event pairs, 563 based on Foata normal form. 0/8762 useless extension candidates. Maximal degree in co-relation 23619. Up to 3176 conditions per place. [2024-11-07 23:26:46,138 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 75 selfloop transitions, 13 changer transitions 4/106 dead transitions. [2024-11-07 23:26:46,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 106 transitions, 512 flow [2024-11-07 23:26:46,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:26:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 23:26:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 186 transitions. [2024-11-07 23:26:46,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7153846153846154 [2024-11-07 23:26:46,140 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 186 transitions. [2024-11-07 23:26:46,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 106 transitions, 512 flow [2024-11-07 23:26:46,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 106 transitions, 494 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-07 23:26:46,144 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-07 23:26:46,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-07 23:26:46,144 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-07 23:26:46,144 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-07 23:26:46,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-07 23:26:46,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:26:46,145 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:26:46,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:26:46,145 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-07 23:26:46,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:26:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash -733528846, now seen corresponding path program 1 times [2024-11-07 23:26:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:26:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710839010] [2024-11-07 23:26:46,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:26:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:26:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:26:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:26:46,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:26:46,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710839010] [2024-11-07 23:26:46,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710839010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:26:46,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:26:46,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:26:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032836282] [2024-11-07 23:26:46,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:26:46,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:26:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:26:46,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:26:46,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:26:46,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 52 [2024-11-07 23:26:46,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-07 23:26:46,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:26:46,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 52 [2024-11-07 23:26:46,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:26:46,964 INFO L124 PetriNetUnfolderBase]: 5935/8191 cut-off events. [2024-11-07 23:26:46,964 INFO L125 PetriNetUnfolderBase]: For 7332/7332 co-relation queries the response was YES. [2024-11-07 23:26:46,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21957 conditions, 8191 events. 5935/8191 cut-off events. For 7332/7332 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 48320 event pairs, 443 based on Foata normal form. 160/8170 useless extension candidates. Maximal degree in co-relation 21943. Up to 3176 conditions per place. [2024-11-07 23:26:46,984 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2024-11-07 23:26:46,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 98 transitions, 464 flow [2024-11-07 23:26:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:26:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 23:26:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 196 transitions. [2024-11-07 23:26:46,989 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2024-11-07 23:26:46,989 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 196 transitions. [2024-11-07 23:26:46,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 98 transitions, 464 flow [2024-11-07 23:26:47,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 98 transitions, 409 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-07 23:26:47,045 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-07 23:26:47,045 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-07 23:26:47,045 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-07 23:26:47,045 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-07 23:26:47,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-07 23:26:47,048 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-07 23:26:47,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-07 23:26:47,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-07 23:26:47,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-07 23:26:47,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-07 23:26:47,049 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-07 23:26:47,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-07 23:26:47,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:26:47,051 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 23:26:47,054 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 23:26:47,055 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 23:26:47,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:26:47 BasicIcfg [2024-11-07 23:26:47,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:26:47,060 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:26:47,060 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:26:47,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:26:47,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:26:38" (3/4) ... [2024-11-07 23:26:47,061 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:26:47,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-07 23:26:47,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-07 23:26:47,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-07 23:26:47,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-07 23:26:47,066 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 79 nodes and edges [2024-11-07 23:26:47,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-07 23:26:47,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 23:26:47,067 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 23:26:47,121 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:26:47,122 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:26:47,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:26:47,123 INFO L158 Benchmark]: Toolchain (without parser) took 10060.22ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 115.8MB in the beginning and 641.2MB in the end (delta: -525.4MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-07 23:26:47,123 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:26:47,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.16ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 91.9MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:26:47,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.65ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:26:47,124 INFO L158 Benchmark]: Boogie Preprocessor took 45.30ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 86.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:26:47,124 INFO L158 Benchmark]: RCFGBuilder took 717.39ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 95.8MB in the end (delta: -9.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-07 23:26:47,124 INFO L158 Benchmark]: TraceAbstraction took 8829.28ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 95.8MB in the beginning and 649.6MB in the end (delta: -553.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-07 23:26:47,124 INFO L158 Benchmark]: Witness Printer took 62.37ms. Allocated memory is still 1.8GB. Free memory was 649.6MB in the beginning and 641.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:26:47,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.16ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 91.9MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.65ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.30ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 86.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 717.39ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 95.8MB in the end (delta: -9.6MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8829.28ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 95.8MB in the beginning and 649.6MB in the end (delta: -553.8MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 62.37ms. Allocated memory is still 1.8GB. Free memory was 649.6MB in the beginning and 641.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 23:26:47,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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