./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.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/goblint-regression/04-mutex_10-ptrmunge_nr.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', 'b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f'] 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/goblint-regression/04-mutex_10-ptrmunge_nr.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 b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:30:58,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:30:58,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:30:58,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:30:58,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:30:58,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:30:58,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:30:58,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:30:58,892 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:30:58,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:30:58,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:30:58,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:30:58,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:30:58,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:30:58,893 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:30:58,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:30:58,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:30:58,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:30:58,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:30:58,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:30:58,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:30:58,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:30:58,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:30:58,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:30:58,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:30:58,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:30:58,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:30:58,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:30:58,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:30:58,898 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 -> b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f [2024-11-07 23:30:59,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:30:59,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:30:59,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:30:59,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:30:59,109 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:30:59,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2024-11-07 23:31:00,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:31:00,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:31:00,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2024-11-07 23:31:00,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49a304193/3f826a24d2ac454e9c36ce8e69ddfea4/FLAG7eb302741 [2024-11-07 23:31:00,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/49a304193/3f826a24d2ac454e9c36ce8e69ddfea4 [2024-11-07 23:31:00,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:31:00,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:31:00,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:31:00,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:31:00,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:31:00,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:31:00" (1/1) ... [2024-11-07 23:31:00,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dda369c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:00, skipping insertion in model container [2024-11-07 23:31:00,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:31:00" (1/1) ... [2024-11-07 23:31:00,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:31:01,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:31:01,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:31:01,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:31:01,194 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:31:01,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01 WrapperNode [2024-11-07 23:31:01,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:31:01,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:31:01,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:31:01,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:31:01,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,226 INFO L138 Inliner]: procedures = 263, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-07 23:31:01,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:31:01,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:31:01,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:31:01,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:31:01,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,252 INFO L175 MemorySlicer]: Split 16 memory accesses to 4 slices as follows [3, 5, 5, 3]. 31 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [1, 5, 5, 1]. The 2 writes are split as follows [1, 0, 0, 1]. [2024-11-07 23:31:01,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:31:01,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:31:01,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:31:01,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:31:01,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (1/1) ... [2024-11-07 23:31:01,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:31:01,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:31:01,292 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 23:31:01,295 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 23:31:01,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 23:31:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 23:31:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 23:31:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:31:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:31:01,319 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 23:31:01,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:31:01,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:31:01,565 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:31:01,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:31:01,668 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:31:01,668 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:31:01,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:31:01 BoogieIcfgContainer [2024-11-07 23:31:01,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:31:01,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:31:01,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:31:01,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:31:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:31:00" (1/3) ... [2024-11-07 23:31:01,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199e96d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:31:01, skipping insertion in model container [2024-11-07 23:31:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:31:01" (2/3) ... [2024-11-07 23:31:01,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199e96d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:31:01, skipping insertion in model container [2024-11-07 23:31:01,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:31:01" (3/3) ... [2024-11-07 23:31:01,674 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2024-11-07 23:31:01,683 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:31:01,683 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 23:31:01,683 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:31:01,712 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 23:31:01,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 53 flow [2024-11-07 23:31:01,759 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-07 23:31:01,762 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 23:31:01,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-07 23:31:01,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 53 flow [2024-11-07 23:31:01,765 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow [2024-11-07 23:31:01,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:31:01,784 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;@315fa606, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:31:01,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-07 23:31:01,789 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:31:01,789 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-11-07 23:31:01,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:31:01,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:31:01,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:31:01,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-07 23:31:01,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:31:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1168401652, now seen corresponding path program 1 times [2024-11-07 23:31:01,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:31:01,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991575971] [2024-11-07 23:31:01,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:31:01,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:31:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:31:02,042 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 23:31:02,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:31:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991575971] [2024-11-07 23:31:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991575971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:31:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:31:02,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:31:02,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10847018] [2024-11-07 23:31:02,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:31:02,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:31:02,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:31:02,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:31:02,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:31:02,075 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 23 [2024-11-07 23:31:02,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 23:31:02,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:31:02,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 23 [2024-11-07 23:31:02,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:31:02,216 INFO L124 PetriNetUnfolderBase]: 36/96 cut-off events. [2024-11-07 23:31:02,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:31:02,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 96 events. 36/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 309 event pairs, 0 based on Foata normal form. 7/102 useless extension candidates. Maximal degree in co-relation 178. Up to 40 conditions per place. [2024-11-07 23:31:02,218 INFO L140 encePairwiseOnDemand]: 17/23 looper letters, 16 selfloop transitions, 4 changer transitions 12/36 dead transitions. [2024-11-07 23:31:02,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 36 transitions, 139 flow [2024-11-07 23:31:02,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:31:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 23:31:02,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 59 transitions. [2024-11-07 23:31:02,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5130434782608696 [2024-11-07 23:31:02,229 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 5 states and 59 transitions. [2024-11-07 23:31:02,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 36 transitions, 139 flow [2024-11-07 23:31:02,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 36 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:31:02,235 INFO L231 Difference]: Finished difference. Result has 25 places, 15 transitions, 40 flow [2024-11-07 23:31:02,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=40, PETRI_PLACES=25, PETRI_TRANSITIONS=15} [2024-11-07 23:31:02,239 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places. [2024-11-07 23:31:02,239 INFO L471 AbstractCegarLoop]: Abstraction has has 25 places, 15 transitions, 40 flow [2024-11-07 23:31:02,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 23:31:02,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:31:02,239 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:31:02,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:31:02,239 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-07 23:31:02,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:31:02,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1169076505, now seen corresponding path program 1 times [2024-11-07 23:31:02,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:31:02,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544568787] [2024-11-07 23:31:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:31:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:31:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:31:02,324 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 23:31:02,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:31:02,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544568787] [2024-11-07 23:31:02,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544568787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:31:02,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:31:02,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:31:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780404702] [2024-11-07 23:31:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:31:02,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:31:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:31:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:31:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:31:02,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 23 [2024-11-07 23:31:02,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 15 transitions, 40 flow. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 23:31:02,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:31:02,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 23 [2024-11-07 23:31:02,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:31:02,408 INFO L124 PetriNetUnfolderBase]: 18/55 cut-off events. [2024-11-07 23:31:02,409 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-07 23:31:02,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 55 events. 18/55 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 141 event pairs, 0 based on Foata normal form. 14/69 useless extension candidates. Maximal degree in co-relation 110. Up to 26 conditions per place. [2024-11-07 23:31:02,409 INFO L140 encePairwiseOnDemand]: 18/23 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2024-11-07 23:31:02,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 25 transitions, 118 flow [2024-11-07 23:31:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:31:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 23:31:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2024-11-07 23:31:02,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43478260869565216 [2024-11-07 23:31:02,410 INFO L175 Difference]: Start difference. First operand has 25 places, 15 transitions, 40 flow. Second operand 5 states and 50 transitions. [2024-11-07 23:31:02,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 25 transitions, 118 flow [2024-11-07 23:31:02,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 25 transitions, 98 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 23:31:02,411 INFO L231 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2024-11-07 23:31:02,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2024-11-07 23:31:02,411 INFO L277 CegarLoopForPetriNet]: 24 programPoint places, -4 predicate places. [2024-11-07 23:31:02,411 INFO L471 AbstractCegarLoop]: Abstraction has has 20 places, 0 transitions, 0 flow [2024-11-07 23:31:02,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 23:31:02,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2024-11-07 23:31:02,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2024-11-07 23:31:02,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:31:02,416 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 23:31:02,419 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 23:31:02,419 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 23:31:02,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:31:02 BasicIcfg [2024-11-07 23:31:02,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:31:02,422 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:31:02,422 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:31:02,423 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:31:02,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:31:01" (3/4) ... [2024-11-07 23:31:02,424 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:31:02,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-07 23:31:02,431 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-07 23:31:02,431 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-07 23:31:02,431 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 23:31:02,431 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 23:31:02,468 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:31:02,468 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:31:02,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:31:02,469 INFO L158 Benchmark]: Toolchain (without parser) took 1640.29ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 59.7MB in the end (delta: 30.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,469 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:31:02,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.61ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 62.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 60.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,469 INFO L158 Benchmark]: Boogie Preprocessor took 33.15ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:31:02,470 INFO L158 Benchmark]: RCFGBuilder took 405.65ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 79.6MB in the end (delta: -20.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,470 INFO L158 Benchmark]: TraceAbstraction took 752.01ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.0MB in the end (delta: 15.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,470 INFO L158 Benchmark]: Witness Printer took 46.45ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 59.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:31:02,471 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.61ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 62.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 117.4MB. Free memory was 62.5MB in the beginning and 60.6MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.15ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.65ms. Allocated memory is still 117.4MB. Free memory was 58.8MB in the beginning and 79.6MB in the end (delta: -20.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 752.01ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.0MB in the end (delta: 15.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 46.45ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 59.7MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 923]: 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 3 procedures, 35 locations, 7 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 23:31:02,487 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