./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix003.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/mix003.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', '929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744'] 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/mix003.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 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:24:35,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:24:35,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:24:35,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:24:35,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:24:35,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:24:35,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:24:35,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:24:35,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:24:35,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:24:35,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:24:35,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:24:35,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:24:35,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:24:35,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:24:35,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:24:35,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:24:35,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:24:35,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:24:35,754 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 -> 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 [2024-11-07 23:24:35,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:24:35,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:24:35,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:24:35,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:24:35,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:24:35,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix003.oepc.i [2024-11-07 23:24:37,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:24:37,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:24:37,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix003.oepc.i [2024-11-07 23:24:37,462 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/62ef944dc/495dadf6112845d88b412aec538fffff/FLAG13f3acc60 [2024-11-07 23:24:37,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/62ef944dc/495dadf6112845d88b412aec538fffff [2024-11-07 23:24:37,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:24:37,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:24:37,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:24:37,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:24:37,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:24:37,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec44b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37, skipping insertion in model container [2024-11-07 23:24:37,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:24:37,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:24:37,715 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:24:37,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:24:37,802 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:24:37,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37 WrapperNode [2024-11-07 23:24:37,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:24:37,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:24:37,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:24:37,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:24:37,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,836 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 124 [2024-11-07 23:24:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:24:37,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:24:37,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:24:37,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:24:37,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,855 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 23:24:37,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:24:37,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:24:37,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:24:37,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:24:37,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (1/1) ... [2024-11-07 23:24:37,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:24:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:24:37,896 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 23:24:37,906 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 23:24:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:24:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:24:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 23:24:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 23:24:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 23:24:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 23:24:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 23:24:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 23:24:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:24:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:24:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:24:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:24:37,924 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 23:24:38,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:24:38,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:24:38,276 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:24:38,276 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:24:38,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:24:38,405 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:24:38,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:24:38 BoogieIcfgContainer [2024-11-07 23:24:38,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:24:38,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:24:38,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:24:38,414 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:24:38,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:24:37" (1/3) ... [2024-11-07 23:24:38,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:24:38, skipping insertion in model container [2024-11-07 23:24:38,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:24:37" (2/3) ... [2024-11-07 23:24:38,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cd02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:24:38, skipping insertion in model container [2024-11-07 23:24:38,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:24:38" (3/3) ... [2024-11-07 23:24:38,415 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003.oepc.i [2024-11-07 23:24:38,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:24:38,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:24:38,427 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:24:38,479 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 23:24:38,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-11-07 23:24:38,563 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-07 23:24:38,566 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:24:38,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 91 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-07 23:24:38,568 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-11-07 23:24:38,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 38 transitions, 85 flow [2024-11-07 23:24:38,579 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:24:38,591 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;@5bcab9c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:24:38,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-07 23:24:38,596 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:24:38,596 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-07 23:24:38,596 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:24:38,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:24:38,597 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:24:38,599 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:24:38,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:24:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash -335006328, now seen corresponding path program 1 times [2024-11-07 23:24:38,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:24:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331898550] [2024-11-07 23:24:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:24:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:24:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:24:38,847 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 23:24:38,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:24:38,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331898550] [2024-11-07 23:24:38,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331898550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:24:38,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:24:38,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 23:24:38,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221887124] [2024-11-07 23:24:38,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:24:38,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:24:38,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:24:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:24:38,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:24:38,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-07 23:24:38,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 23:24:38,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:24:38,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-07 23:24:38,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:24:39,341 INFO L124 PetriNetUnfolderBase]: 2398/3581 cut-off events. [2024-11-07 23:24:39,342 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-07 23:24:39,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 3581 events. 2398/3581 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 20637 event pairs, 838 based on Foata normal form. 0/2832 useless extension candidates. Maximal degree in co-relation 7168. Up to 3251 conditions per place. [2024-11-07 23:24:39,367 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 39 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2024-11-07 23:24:39,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 209 flow [2024-11-07 23:24:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:24:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 23:24:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-07 23:24:39,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7398373983739838 [2024-11-07 23:24:39,379 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 85 flow. Second operand 3 states and 91 transitions. [2024-11-07 23:24:39,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 209 flow [2024-11-07 23:24:39,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 23:24:39,385 INFO L231 Difference]: Finished difference. Result has 48 places, 41 transitions, 118 flow [2024-11-07 23:24:39,387 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=48, PETRI_TRANSITIONS=41} [2024-11-07 23:24:39,391 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2024-11-07 23:24:39,391 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 41 transitions, 118 flow [2024-11-07 23:24:39,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 23:24:39,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:24:39,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:24:39,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:24:39,391 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:24:39,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:24:39,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1511129595, now seen corresponding path program 1 times [2024-11-07 23:24:39,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:24:39,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714149925] [2024-11-07 23:24:39,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:24:39,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:24:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:24:39,580 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 23:24:39,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:24:39,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714149925] [2024-11-07 23:24:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714149925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:24:39,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:24:39,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:24:39,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167709432] [2024-11-07 23:24:39,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:24:39,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:24:39,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:24:39,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:24:39,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:24:39,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-07 23:24:39,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 41 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 23:24:39,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:24:39,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-07 23:24:39,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:24:39,881 INFO L124 PetriNetUnfolderBase]: 1703/2568 cut-off events. [2024-11-07 23:24:39,882 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2024-11-07 23:24:39,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5955 conditions, 2568 events. 1703/2568 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14367 event pairs, 529 based on Foata normal form. 0/2231 useless extension candidates. Maximal degree in co-relation 5944. Up to 2237 conditions per place. [2024-11-07 23:24:39,895 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 36 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-11-07 23:24:39,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 216 flow [2024-11-07 23:24:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:24:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:24:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 99 transitions. [2024-11-07 23:24:39,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6036585365853658 [2024-11-07 23:24:39,897 INFO L175 Difference]: Start difference. First operand has 48 places, 41 transitions, 118 flow. Second operand 4 states and 99 transitions. [2024-11-07 23:24:39,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 216 flow [2024-11-07 23:24:39,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:24:39,899 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-11-07 23:24:39,899 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-11-07 23:24:39,899 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-07 23:24:39,899 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-11-07 23:24:39,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 23:24:39,900 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:24:39,900 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:24:39,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:24:39,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:24:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:24:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1511129596, now seen corresponding path program 1 times [2024-11-07 23:24:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:24:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867343458] [2024-11-07 23:24:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:24:39,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:24:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:24:39,992 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 23:24:39,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:24:39,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867343458] [2024-11-07 23:24:39,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867343458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:24:39,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:24:39,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:24:39,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651549619] [2024-11-07 23:24:39,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:24:39,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:24:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:24:39,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:24:39,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:24:39,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-07 23:24:39,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 23:24:39,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:24:39,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-07 23:24:39,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:24:40,240 INFO L124 PetriNetUnfolderBase]: 1254/1921 cut-off events. [2024-11-07 23:24:40,240 INFO L125 PetriNetUnfolderBase]: For 397/397 co-relation queries the response was YES. [2024-11-07 23:24:40,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4366 conditions, 1921 events. 1254/1921 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10495 event pairs, 216 based on Foata normal form. 0/1817 useless extension candidates. Maximal degree in co-relation 4354. Up to 893 conditions per place. [2024-11-07 23:24:40,248 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 47 selfloop transitions, 7 changer transitions 3/68 dead transitions. [2024-11-07 23:24:40,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 68 transitions, 296 flow [2024-11-07 23:24:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:24:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:24:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2024-11-07 23:24:40,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7073170731707317 [2024-11-07 23:24:40,249 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 4 states and 116 transitions. [2024-11-07 23:24:40,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 68 transitions, 296 flow [2024-11-07 23:24:40,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 291 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 23:24:40,250 INFO L231 Difference]: Finished difference. Result has 49 places, 38 transitions, 131 flow [2024-11-07 23:24:40,251 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2024-11-07 23:24:40,251 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 1 predicate places. [2024-11-07 23:24:40,251 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 131 flow [2024-11-07 23:24:40,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 23:24:40,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:24:40,251 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] [2024-11-07 23:24:40,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:24:40,251 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-07 23:24:40,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:24:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash 752706924, now seen corresponding path program 1 times [2024-11-07 23:24:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:24:40,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275166112] [2024-11-07 23:24:40,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:24:40,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:24:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:24:40,382 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 23:24:40,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:24:40,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275166112] [2024-11-07 23:24:40,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275166112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:24:40,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:24:40,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:24:40,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029522103] [2024-11-07 23:24:40,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:24:40,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:24:40,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:24:40,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:24:40,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:24:40,388 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 41 [2024-11-07 23:24:40,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 23:24:40,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:24:40,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 41 [2024-11-07 23:24:40,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:24:40,590 INFO L124 PetriNetUnfolderBase]: 1034/1601 cut-off events. [2024-11-07 23:24:40,590 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2024-11-07 23:24:40,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 1601 events. 1034/1601 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8942 event pairs, 166 based on Foata normal form. 60/1617 useless extension candidates. Maximal degree in co-relation 4047. Up to 698 conditions per place. [2024-11-07 23:24:40,594 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2024-11-07 23:24:40,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 62 transitions, 275 flow [2024-11-07 23:24:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:24:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 23:24:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2024-11-07 23:24:40,596 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6048780487804878 [2024-11-07 23:24:40,596 INFO L175 Difference]: Start difference. First operand has 49 places, 38 transitions, 131 flow. Second operand 5 states and 124 transitions. [2024-11-07 23:24:40,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 62 transitions, 275 flow [2024-11-07 23:24:40,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 62 transitions, 251 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-07 23:24:40,598 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-07 23:24:40,598 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-11-07 23:24:40,598 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-11-07 23:24:40,599 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-07 23:24:40,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 23:24:40,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-07 23:24:40,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-07 23:24:40,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:24:40,602 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-07 23:24:40,609 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 23:24:40,609 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 23:24:40,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:24:40 BasicIcfg [2024-11-07 23:24:40,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:24:40,617 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:24:40,617 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:24:40,617 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:24:40,618 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:24:38" (3/4) ... [2024-11-07 23:24:40,619 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:24:40,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-07 23:24:40,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-07 23:24:40,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-07 23:24:40,628 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2024-11-07 23:24:40,631 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-07 23:24:40,631 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 23:24:40,631 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 23:24:40,675 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:24:40,675 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:24:40,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:24:40,676 INFO L158 Benchmark]: Toolchain (without parser) took 3198.35ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 84.2MB in the beginning and 85.6MB in the end (delta: -1.5MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2024-11-07 23:24:40,676 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:24:40,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.65ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 60.8MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:24:40,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 58.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:24:40,676 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 109.1MB. Free memory was 58.7MB in the beginning and 55.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:24:40,676 INFO L158 Benchmark]: RCFGBuilder took 540.17ms. Allocated memory is still 109.1MB. Free memory was 55.7MB in the beginning and 47.4MB in the end (delta: 8.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-07 23:24:40,677 INFO L158 Benchmark]: TraceAbstraction took 2209.21ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 46.9MB in the beginning and 89.1MB in the end (delta: -42.2MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2024-11-07 23:24:40,677 INFO L158 Benchmark]: Witness Printer took 57.83ms. Allocated memory is still 234.9MB. Free memory was 89.1MB in the beginning and 85.6MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:24:40,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77ms. Allocated memory is still 83.9MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.65ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 60.8MB in the end (delta: 23.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 58.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 109.1MB. Free memory was 58.7MB in the beginning and 55.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 540.17ms. Allocated memory is still 109.1MB. Free memory was 55.7MB in the beginning and 47.4MB in the end (delta: 8.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2209.21ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 46.9MB in the beginning and 89.1MB in the end (delta: -42.2MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * Witness Printer took 57.83ms. Allocated memory is still 234.9MB. Free memory was 89.1MB in the beginning and 85.6MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: 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, 74 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 266 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 0 mSDtfsCounter, 266 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=131occurred 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, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2024-11-07 23:24:40,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE