./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702'] 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:21:04,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:21:04,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:21:04,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:21:04,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:21:04,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:21:04,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:21:04,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:21:04,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:21:04,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:21:04,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:21:04,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:21:04,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:21:04,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:21:04,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:21:04,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:21:04,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:21:04,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:21:04,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:21:04,842 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-07 19:21:05,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:21:05,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:21:05,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:21:05,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:21:05,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:21:05,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-07 19:21:06,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:21:06,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:21:06,513 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-07 19:21:06,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df30066e3/b1ca5be1a6f04d559d09bd3db246c432/FLAGfc235de95 [2024-11-07 19:21:06,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df30066e3/b1ca5be1a6f04d559d09bd3db246c432 [2024-11-07 19:21:06,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:21:06,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:21:06,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:21:06,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:21:06,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:21:06,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:21:06" (1/1) ... [2024-11-07 19:21:06,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32218394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:06, skipping insertion in model container [2024-11-07 19:21:06,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:21:06" (1/1) ... [2024-11-07 19:21:06,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:21:07,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:21:07,118 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-07 19:21:07,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6daf3f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:07, skipping insertion in model container [2024-11-07 19:21:07,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:21:07,118 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-07 19:21:07,120 INFO L158 Benchmark]: Toolchain (without parser) took 326.28ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 71.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:21:07,120 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:21:07,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.35ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 71.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:21:07,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.35ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 71.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3904]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:21:08,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:21:08,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-07 19:21:08,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:21:08,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:21:08,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:21:08,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:21:08,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:21:08,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:21:08,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:21:08,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:21:08,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:21:08,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:21:08,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:21:08,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:21:08,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:21:08,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:21:08,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:21:08,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:21:08,799 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-07 19:21:09,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:21:09,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:21:09,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:21:09,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:21:09,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:21:09,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-07 19:21:10,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:21:10,580 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:21:10,582 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-07 19:21:10,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/23853359a/445d27d6a69541e492e5a9f77fdb6577/FLAG20e9c57bd [2024-11-07 19:21:10,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/23853359a/445d27d6a69541e492e5a9f77fdb6577 [2024-11-07 19:21:10,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:21:10,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:21:10,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:21:10,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:21:10,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:21:10,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:21:10" (1/1) ... [2024-11-07 19:21:10,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324788b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:10, skipping insertion in model container [2024-11-07 19:21:10,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:21:10" (1/1) ... [2024-11-07 19:21:10,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:21:11,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:21:11,037 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-07 19:21:11,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:21:11,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:21:11,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:21:11,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:21:11,205 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:21:11,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11 WrapperNode [2024-11-07 19:21:11,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:21:11,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:21:11,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:21:11,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:21:11,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,246 INFO L138 Inliner]: procedures = 249, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 143 [2024-11-07 19:21:11,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:21:11,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:21:11,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:21:11,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:21:11,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,269 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-07 19:21:11,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:21:11,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:21:11,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:21:11,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:21:11,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (1/1) ... [2024-11-07 19:21:11,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:21:11,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:21:11,330 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 19:21:11,333 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 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-07 19:21:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 19:21:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 19:21:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:21:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:21:11,353 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 19:21:11,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:21:11,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:21:11,970 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:21:11,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:21:12,090 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:21:12,091 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:21:12,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:21:12 BoogieIcfgContainer [2024-11-07 19:21:12,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:21:12,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:21:12,096 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:21:12,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:21:12,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:21:10" (1/3) ... [2024-11-07 19:21:12,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487e3d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:21:12, skipping insertion in model container [2024-11-07 19:21:12,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:21:11" (2/3) ... [2024-11-07 19:21:12,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487e3d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:21:12, skipping insertion in model container [2024-11-07 19:21:12,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:21:12" (3/3) ... [2024-11-07 19:21:12,101 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-07 19:21:12,113 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:21:12,114 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-11-07 19:21:12,114 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:21:12,184 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 19:21:12,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 126 transitions, 266 flow [2024-11-07 19:21:12,255 INFO L124 PetriNetUnfolderBase]: 18/159 cut-off events. [2024-11-07 19:21:12,257 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 19:21:12,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 18/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 480 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 83. Up to 4 conditions per place. [2024-11-07 19:21:12,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 126 transitions, 266 flow [2024-11-07 19:21:12,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 124 transitions, 260 flow [2024-11-07 19:21:12,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:21:12,276 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=None, 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;@67e1c363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:21:12,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-07 19:21:12,279 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:21:12,279 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-07 19:21:12,279 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:21:12,279 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:12,280 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-07 19:21:12,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:12,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash 498015, now seen corresponding path program 1 times [2024-11-07 19:21:12,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:12,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301311952] [2024-11-07 19:21:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:12,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:12,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:12,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:12,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 19:21:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:12,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:21:12,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:12,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:12,460 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 19:21:12,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:12,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:12,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301311952] [2024-11-07 19:21:12,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301311952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:12,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:12,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:12,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293381336] [2024-11-07 19:21:12,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:12,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:12,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:12,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 126 [2024-11-07 19:21:12,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 19:21:12,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:12,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 126 [2024-11-07 19:21:12,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:13,525 INFO L124 PetriNetUnfolderBase]: 3071/7677 cut-off events. [2024-11-07 19:21:13,525 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-07 19:21:13,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12595 conditions, 7677 events. 3071/7677 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 74029 event pairs, 407 based on Foata normal form. 588/5627 useless extension candidates. Maximal degree in co-relation 12356. Up to 4146 conditions per place. [2024-11-07 19:21:13,574 INFO L140 encePairwiseOnDemand]: 108/126 looper letters, 78 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-07 19:21:13,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 124 transitions, 420 flow [2024-11-07 19:21:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-11-07 19:21:13,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-11-07 19:21:13,586 INFO L175 Difference]: Start difference. First operand has 116 places, 124 transitions, 260 flow. Second operand 3 states and 234 transitions. [2024-11-07 19:21:13,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 124 transitions, 420 flow [2024-11-07 19:21:13,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 124 transitions, 412 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 19:21:13,593 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 212 flow [2024-11-07 19:21:13,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2024-11-07 19:21:13,597 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -12 predicate places. [2024-11-07 19:21:13,598 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 212 flow [2024-11-07 19:21:13,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 19:21:13,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:13,598 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-07 19:21:13,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 19:21:13,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:13,799 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:13,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash 498016, now seen corresponding path program 1 times [2024-11-07 19:21:13,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:13,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525794556] [2024-11-07 19:21:13,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:13,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:13,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:13,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:13,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 19:21:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:13,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 19:21:13,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:13,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:13,925 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 19:21:13,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:13,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:13,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525794556] [2024-11-07 19:21:13,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525794556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:13,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:13,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:13,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767542618] [2024-11-07 19:21:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:13,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:13,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:13,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:13,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:14,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2024-11-07 19:21:14,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 19:21:14,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:14,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2024-11-07 19:21:14,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:14,755 INFO L124 PetriNetUnfolderBase]: 3071/7673 cut-off events. [2024-11-07 19:21:14,755 INFO L125 PetriNetUnfolderBase]: For 134/134 co-relation queries the response was YES. [2024-11-07 19:21:14,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12708 conditions, 7673 events. 3071/7673 cut-off events. For 134/134 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 73950 event pairs, 407 based on Foata normal form. 2/5037 useless extension candidates. Maximal degree in co-relation 1475. Up to 4146 conditions per place. [2024-11-07 19:21:14,798 INFO L140 encePairwiseOnDemand]: 120/126 looper letters, 76 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2024-11-07 19:21:14,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 120 transitions, 404 flow [2024-11-07 19:21:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-11-07 19:21:14,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5978835978835979 [2024-11-07 19:21:14,801 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 212 flow. Second operand 3 states and 226 transitions. [2024-11-07 19:21:14,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 120 transitions, 404 flow [2024-11-07 19:21:14,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 120 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:14,803 INFO L231 Difference]: Finished difference. Result has 100 places, 98 transitions, 204 flow [2024-11-07 19:21:14,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2024-11-07 19:21:14,804 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -16 predicate places. [2024-11-07 19:21:14,804 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 98 transitions, 204 flow [2024-11-07 19:21:14,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 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 19:21:14,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:14,805 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-07 19:21:14,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 19:21:15,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:15,006 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:15,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash 15437293, now seen corresponding path program 1 times [2024-11-07 19:21:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:15,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138691645] [2024-11-07 19:21:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:15,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:15,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:15,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 19:21:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:15,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:21:15,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:15,085 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 19:21:15,086 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:15,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:15,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138691645] [2024-11-07 19:21:15,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138691645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:15,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:15,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:15,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898724176] [2024-11-07 19:21:15,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:15,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:15,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:15,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:15,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:15,089 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 126 [2024-11-07 19:21:15,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 98 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 19:21:15,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:15,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 126 [2024-11-07 19:21:15,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:15,575 INFO L124 PetriNetUnfolderBase]: 3070/5968 cut-off events. [2024-11-07 19:21:15,575 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2024-11-07 19:21:15,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11003 conditions, 5968 events. 3070/5968 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 44328 event pairs, 2805 based on Foata normal form. 1/4093 useless extension candidates. Maximal degree in co-relation 5422. Up to 4464 conditions per place. [2024-11-07 19:21:15,600 INFO L140 encePairwiseOnDemand]: 123/126 looper letters, 76 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2024-11-07 19:21:15,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 119 transitions, 402 flow [2024-11-07 19:21:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-11-07 19:21:15,602 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6137566137566137 [2024-11-07 19:21:15,602 INFO L175 Difference]: Start difference. First operand has 100 places, 98 transitions, 204 flow. Second operand 3 states and 232 transitions. [2024-11-07 19:21:15,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 119 transitions, 402 flow [2024-11-07 19:21:15,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 119 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:15,604 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 202 flow [2024-11-07 19:21:15,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-11-07 19:21:15,605 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -16 predicate places. [2024-11-07 19:21:15,605 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 202 flow [2024-11-07 19:21:15,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 19:21:15,605 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:15,605 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:15,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-07 19:21:15,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:15,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:15,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1057546939, now seen corresponding path program 1 times [2024-11-07 19:21:15,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:15,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126737925] [2024-11-07 19:21:15,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:15,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:15,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:15,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-07 19:21:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:15,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 19:21:15,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:15,934 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:15,935 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:15,935 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:15,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-07 19:21:15,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:16,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 53 [2024-11-07 19:21:16,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:16,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 45 [2024-11-07 19:21:16,068 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 19:21:16,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:16,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:16,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126737925] [2024-11-07 19:21:16,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126737925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:16,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:16,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:16,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53168084] [2024-11-07 19:21:16,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:16,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:21:16,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:16,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:21:16,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:21:16,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 126 [2024-11-07 19:21:16,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 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 19:21:16,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:16,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 126 [2024-11-07 19:21:16,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:16,915 INFO L124 PetriNetUnfolderBase]: 3598/6893 cut-off events. [2024-11-07 19:21:16,915 INFO L125 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES. [2024-11-07 19:21:16,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12746 conditions, 6893 events. 3598/6893 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 51032 event pairs, 2343 based on Foata normal form. 1/4762 useless extension candidates. Maximal degree in co-relation 11777. Up to 5605 conditions per place. [2024-11-07 19:21:16,938 INFO L140 encePairwiseOnDemand]: 119/126 looper letters, 64 selfloop transitions, 6 changer transitions 0/106 dead transitions. [2024-11-07 19:21:16,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 106 transitions, 361 flow [2024-11-07 19:21:16,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:21:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:21:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 267 transitions. [2024-11-07 19:21:16,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5297619047619048 [2024-11-07 19:21:16,940 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 202 flow. Second operand 4 states and 267 transitions. [2024-11-07 19:21:16,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 106 transitions, 361 flow [2024-11-07 19:21:16,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 106 transitions, 357 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:16,949 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 222 flow [2024-11-07 19:21:16,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2024-11-07 19:21:16,950 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -17 predicate places. [2024-11-07 19:21:16,950 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 222 flow [2024-11-07 19:21:16,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 4 states have internal predecessors, (201), 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 19:21:16,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:16,951 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:16,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-07 19:21:17,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:17,151 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:17,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1758384081, now seen corresponding path program 1 times [2024-11-07 19:21:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:17,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537985769] [2024-11-07 19:21:17,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:17,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:17,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:17,156 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:17,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-07 19:21:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:17,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 19:21:17,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:17,292 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:17,293 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:17,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-07 19:21:17,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:17,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 45 [2024-11-07 19:21:17,402 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 19:21:17,403 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:17,403 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:17,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537985769] [2024-11-07 19:21:17,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537985769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:17,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:17,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:17,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237349249] [2024-11-07 19:21:17,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:17,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:21:17,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:17,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:21:17,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:21:17,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 126 [2024-11-07 19:21:17,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 222 flow. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 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 19:21:17,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:17,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 126 [2024-11-07 19:21:17,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:18,199 INFO L124 PetriNetUnfolderBase]: 3598/6890 cut-off events. [2024-11-07 19:21:18,199 INFO L125 PetriNetUnfolderBase]: For 440/440 co-relation queries the response was YES. [2024-11-07 19:21:18,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13121 conditions, 6890 events. 3598/6890 cut-off events. For 440/440 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 51038 event pairs, 2343 based on Foata normal form. 1/5099 useless extension candidates. Maximal degree in co-relation 7001. Up to 5605 conditions per place. [2024-11-07 19:21:18,226 INFO L140 encePairwiseOnDemand]: 119/126 looper letters, 63 selfloop transitions, 6 changer transitions 0/103 dead transitions. [2024-11-07 19:21:18,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 373 flow [2024-11-07 19:21:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:21:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:21:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 266 transitions. [2024-11-07 19:21:18,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5277777777777778 [2024-11-07 19:21:18,227 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 222 flow. Second operand 4 states and 266 transitions. [2024-11-07 19:21:18,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 373 flow [2024-11-07 19:21:18,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 103 transitions, 367 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:18,230 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 222 flow [2024-11-07 19:21:18,231 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=222, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-11-07 19:21:18,232 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -19 predicate places. [2024-11-07 19:21:18,232 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 222 flow [2024-11-07 19:21:18,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 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 19:21:18,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:18,233 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:18,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-07 19:21:18,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:18,433 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:18,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:18,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1629828376, now seen corresponding path program 1 times [2024-11-07 19:21:18,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:18,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628100234] [2024-11-07 19:21:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:18,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:18,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:18,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:18,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-07 19:21:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:18,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 19:21:18,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:18,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:18,568 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 19:21:18,568 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:18,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:18,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628100234] [2024-11-07 19:21:18,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628100234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:18,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:18,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:18,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348341490] [2024-11-07 19:21:18,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:18,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:18,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:18,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:18,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:21:18,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 126 [2024-11-07 19:21:18,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 222 flow. Second operand has 5 states, 5 states have (on average 48.4) internal successors, (242), 5 states have internal predecessors, (242), 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 19:21:18,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:18,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 126 [2024-11-07 19:21:18,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:19,580 INFO L124 PetriNetUnfolderBase]: 2554/6244 cut-off events. [2024-11-07 19:21:19,580 INFO L125 PetriNetUnfolderBase]: For 363/363 co-relation queries the response was YES. [2024-11-07 19:21:19,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10811 conditions, 6244 events. 2554/6244 cut-off events. For 363/363 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 56248 event pairs, 127 based on Foata normal form. 0/4522 useless extension candidates. Maximal degree in co-relation 5200. Up to 2287 conditions per place. [2024-11-07 19:21:19,608 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 142 selfloop transitions, 15 changer transitions 1/193 dead transitions. [2024-11-07 19:21:19,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 193 transitions, 763 flow [2024-11-07 19:21:19,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:21:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:21:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 530 transitions. [2024-11-07 19:21:19,610 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5257936507936508 [2024-11-07 19:21:19,610 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 222 flow. Second operand 8 states and 530 transitions. [2024-11-07 19:21:19,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 193 transitions, 763 flow [2024-11-07 19:21:19,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 193 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:19,614 INFO L231 Difference]: Finished difference. Result has 106 places, 104 transitions, 321 flow [2024-11-07 19:21:19,614 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=321, PETRI_PLACES=106, PETRI_TRANSITIONS=104} [2024-11-07 19:21:19,614 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -10 predicate places. [2024-11-07 19:21:19,614 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 104 transitions, 321 flow [2024-11-07 19:21:19,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.4) internal successors, (242), 5 states have internal predecessors, (242), 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 19:21:19,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:19,615 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:19,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-07 19:21:19,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:19,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:19,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1629828377, now seen corresponding path program 1 times [2024-11-07 19:21:19,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449327875] [2024-11-07 19:21:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:19,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:19,822 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:19,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-07 19:21:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:19,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 19:21:19,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:19,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:20,029 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 19:21:20,030 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:20,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:20,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449327875] [2024-11-07 19:21:20,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449327875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:20,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:20,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:20,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441561242] [2024-11-07 19:21:20,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:20,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:20,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:20,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:20,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:21:20,218 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2024-11-07 19:21:20,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 104 transitions, 321 flow. Second operand has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 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 19:21:20,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:20,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2024-11-07 19:21:20,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:20,898 INFO L124 PetriNetUnfolderBase]: 1721/4277 cut-off events. [2024-11-07 19:21:20,898 INFO L125 PetriNetUnfolderBase]: For 1999/1999 co-relation queries the response was YES. [2024-11-07 19:21:20,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8613 conditions, 4277 events. 1721/4277 cut-off events. For 1999/1999 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 36188 event pairs, 143 based on Foata normal form. 450/3819 useless extension candidates. Maximal degree in co-relation 7442. Up to 1957 conditions per place. [2024-11-07 19:21:20,913 INFO L140 encePairwiseOnDemand]: 118/126 looper letters, 125 selfloop transitions, 12 changer transitions 2/176 dead transitions. [2024-11-07 19:21:20,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 176 transitions, 772 flow [2024-11-07 19:21:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:21:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:21:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 473 transitions. [2024-11-07 19:21:20,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.536281179138322 [2024-11-07 19:21:20,919 INFO L175 Difference]: Start difference. First operand has 106 places, 104 transitions, 321 flow. Second operand 7 states and 473 transitions. [2024-11-07 19:21:20,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 176 transitions, 772 flow [2024-11-07 19:21:20,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 176 transitions, 772 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 19:21:20,924 INFO L231 Difference]: Finished difference. Result has 115 places, 106 transitions, 379 flow [2024-11-07 19:21:20,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=379, PETRI_PLACES=115, PETRI_TRANSITIONS=106} [2024-11-07 19:21:20,926 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -1 predicate places. [2024-11-07 19:21:20,926 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 106 transitions, 379 flow [2024-11-07 19:21:20,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 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 19:21:20,927 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:20,927 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:20,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-07 19:21:21,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:21,128 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:21,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:21,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1017481812, now seen corresponding path program 1 times [2024-11-07 19:21:21,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:21,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977993035] [2024-11-07 19:21:21,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:21,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:21,130 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:21,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-07 19:21:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:21,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:21:21,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:21,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:21,294 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 19:21:21,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:21,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:21,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977993035] [2024-11-07 19:21:21,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977993035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:21,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:21,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:21,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197692652] [2024-11-07 19:21:21,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:21,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:21,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:21,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:21,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:21,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 126 [2024-11-07 19:21:21,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 106 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 19:21:21,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:21,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 126 [2024-11-07 19:21:21,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:21,701 INFO L124 PetriNetUnfolderBase]: 1721/3767 cut-off events. [2024-11-07 19:21:21,701 INFO L125 PetriNetUnfolderBase]: For 3611/3611 co-relation queries the response was YES. [2024-11-07 19:21:21,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8725 conditions, 3767 events. 1721/3767 cut-off events. For 3611/3611 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 27862 event pairs, 959 based on Foata normal form. 146/3323 useless extension candidates. Maximal degree in co-relation 7550. Up to 1747 conditions per place. [2024-11-07 19:21:21,717 INFO L140 encePairwiseOnDemand]: 119/126 looper letters, 91 selfloop transitions, 6 changer transitions 0/128 dead transitions. [2024-11-07 19:21:21,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 128 transitions, 629 flow [2024-11-07 19:21:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2024-11-07 19:21:21,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2024-11-07 19:21:21,719 INFO L175 Difference]: Start difference. First operand has 115 places, 106 transitions, 379 flow. Second operand 3 states and 225 transitions. [2024-11-07 19:21:21,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 128 transitions, 629 flow [2024-11-07 19:21:21,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 128 transitions, 615 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 19:21:21,726 INFO L231 Difference]: Finished difference. Result has 114 places, 107 transitions, 397 flow [2024-11-07 19:21:21,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=114, PETRI_TRANSITIONS=107} [2024-11-07 19:21:21,729 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -2 predicate places. [2024-11-07 19:21:21,730 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 107 transitions, 397 flow [2024-11-07 19:21:21,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 19:21:21,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:21,730 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:21,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-07 19:21:21,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:21,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:21,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:21,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1017481813, now seen corresponding path program 1 times [2024-11-07 19:21:21,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:21,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036390309] [2024-11-07 19:21:21,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:21,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:21,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:21,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:21,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-07 19:21:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:22,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:21:22,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:22,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:22,061 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 19:21:22,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:22,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:22,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036390309] [2024-11-07 19:21:22,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036390309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:22,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:22,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:22,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029797524] [2024-11-07 19:21:22,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:22,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:22,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:22,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:22,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:22,112 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 126 [2024-11-07 19:21:22,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 107 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 19:21:22,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:22,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 126 [2024-11-07 19:21:22,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:22,464 INFO L124 PetriNetUnfolderBase]: 1973/3866 cut-off events. [2024-11-07 19:21:22,464 INFO L125 PetriNetUnfolderBase]: For 3841/3841 co-relation queries the response was YES. [2024-11-07 19:21:22,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9595 conditions, 3866 events. 1973/3866 cut-off events. For 3841/3841 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 25879 event pairs, 1313 based on Foata normal form. 0/3337 useless extension candidates. Maximal degree in co-relation 8419. Up to 2473 conditions per place. [2024-11-07 19:21:22,479 INFO L140 encePairwiseOnDemand]: 117/126 looper letters, 80 selfloop transitions, 7 changer transitions 0/116 dead transitions. [2024-11-07 19:21:22,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 116 transitions, 595 flow [2024-11-07 19:21:22,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2024-11-07 19:21:22,484 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-07 19:21:22,484 INFO L175 Difference]: Start difference. First operand has 114 places, 107 transitions, 397 flow. Second operand 3 states and 210 transitions. [2024-11-07 19:21:22,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 116 transitions, 595 flow [2024-11-07 19:21:22,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 116 transitions, 589 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:21:22,493 INFO L231 Difference]: Finished difference. Result has 110 places, 102 transitions, 395 flow [2024-11-07 19:21:22,493 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=395, PETRI_PLACES=110, PETRI_TRANSITIONS=102} [2024-11-07 19:21:22,493 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -6 predicate places. [2024-11-07 19:21:22,493 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 102 transitions, 395 flow [2024-11-07 19:21:22,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 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 19:21:22,494 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:22,494 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:22,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-07 19:21:22,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:22,694 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:22,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1398577977, now seen corresponding path program 1 times [2024-11-07 19:21:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:22,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912676920] [2024-11-07 19:21:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:22,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:22,697 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:22,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-07 19:21:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:22,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 19:21:22,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:22,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:22,875 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 19:21:22,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:22,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:22,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912676920] [2024-11-07 19:21:22,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912676920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:22,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:22,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189217733] [2024-11-07 19:21:22,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:22,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:22,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:22,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:22,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:21:23,043 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2024-11-07 19:21:23,043 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 102 transitions, 395 flow. Second operand has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 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 19:21:23,043 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:23,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2024-11-07 19:21:23,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:23,594 INFO L124 PetriNetUnfolderBase]: 1301/2852 cut-off events. [2024-11-07 19:21:23,594 INFO L125 PetriNetUnfolderBase]: For 2796/2796 co-relation queries the response was YES. [2024-11-07 19:21:23,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6788 conditions, 2852 events. 1301/2852 cut-off events. For 2796/2796 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 19493 event pairs, 93 based on Foata normal form. 0/2623 useless extension candidates. Maximal degree in co-relation 5906. Up to 1488 conditions per place. [2024-11-07 19:21:23,604 INFO L140 encePairwiseOnDemand]: 118/126 looper letters, 116 selfloop transitions, 16 changer transitions 1/165 dead transitions. [2024-11-07 19:21:23,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 165 transitions, 918 flow [2024-11-07 19:21:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:21:23,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:21:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 455 transitions. [2024-11-07 19:21:23,608 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5158730158730159 [2024-11-07 19:21:23,608 INFO L175 Difference]: Start difference. First operand has 110 places, 102 transitions, 395 flow. Second operand 7 states and 455 transitions. [2024-11-07 19:21:23,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 165 transitions, 918 flow [2024-11-07 19:21:23,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 165 transitions, 900 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:23,616 INFO L231 Difference]: Finished difference. Result has 116 places, 109 transitions, 487 flow [2024-11-07 19:21:23,617 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=487, PETRI_PLACES=116, PETRI_TRANSITIONS=109} [2024-11-07 19:21:23,617 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 0 predicate places. [2024-11-07 19:21:23,617 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 109 transitions, 487 flow [2024-11-07 19:21:23,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.4) internal successors, (252), 5 states have internal predecessors, (252), 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 19:21:23,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:23,617 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:23,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-07 19:21:23,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:23,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:23,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:23,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1398577978, now seen corresponding path program 1 times [2024-11-07 19:21:23,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:23,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025784303] [2024-11-07 19:21:23,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:23,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:23,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:23,820 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:23,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-07 19:21:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:23,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 19:21:23,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:23,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:23,948 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 19:21:23,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:23,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:23,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025784303] [2024-11-07 19:21:23,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025784303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:23,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:23,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:23,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79500482] [2024-11-07 19:21:23,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:23,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:23,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:23,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:23,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:21:24,061 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 126 [2024-11-07 19:21:24,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 109 transitions, 487 flow. Second operand has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:21:24,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:24,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 126 [2024-11-07 19:21:24,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:24,570 INFO L124 PetriNetUnfolderBase]: 1070/2326 cut-off events. [2024-11-07 19:21:24,570 INFO L125 PetriNetUnfolderBase]: For 2837/2837 co-relation queries the response was YES. [2024-11-07 19:21:24,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5955 conditions, 2326 events. 1070/2326 cut-off events. For 2837/2837 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 15292 event pairs, 153 based on Foata normal form. 65/2328 useless extension candidates. Maximal degree in co-relation 5145. Up to 794 conditions per place. [2024-11-07 19:21:24,578 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 119 selfloop transitions, 21 changer transitions 0/170 dead transitions. [2024-11-07 19:21:24,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 170 transitions, 1003 flow [2024-11-07 19:21:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:21:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:21:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 497 transitions. [2024-11-07 19:21:24,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4930555555555556 [2024-11-07 19:21:24,579 INFO L175 Difference]: Start difference. First operand has 116 places, 109 transitions, 487 flow. Second operand 8 states and 497 transitions. [2024-11-07 19:21:24,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 170 transitions, 1003 flow [2024-11-07 19:21:24,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 170 transitions, 1000 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:21:24,586 INFO L231 Difference]: Finished difference. Result has 127 places, 115 transitions, 612 flow [2024-11-07 19:21:24,587 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=612, PETRI_PLACES=127, PETRI_TRANSITIONS=115} [2024-11-07 19:21:24,587 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 11 predicate places. [2024-11-07 19:21:24,587 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 115 transitions, 612 flow [2024-11-07 19:21:24,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.8) internal successors, (244), 5 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:21:24,588 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:24,588 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:24,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-07 19:21:24,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:24,788 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:24,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:24,788 INFO L85 PathProgramCache]: Analyzing trace with hash -262746270, now seen corresponding path program 1 times [2024-11-07 19:21:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907447939] [2024-11-07 19:21:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:24,789 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:24,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:24,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:24,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-07 19:21:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:24,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 19:21:24,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:24,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:24,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:25,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 19:21:25,047 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 19:21:25,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-07 19:21:25,060 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 19:21:25,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:25,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907447939] [2024-11-07 19:21:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907447939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:21:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104377654] [2024-11-07 19:21:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:21:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:21:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:21:25,292 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 126 [2024-11-07 19:21:25,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 115 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 19:21:25,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:25,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 126 [2024-11-07 19:21:25,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:25,988 INFO L124 PetriNetUnfolderBase]: 1229/2618 cut-off events. [2024-11-07 19:21:25,988 INFO L125 PetriNetUnfolderBase]: For 5402/5402 co-relation queries the response was YES. [2024-11-07 19:21:25,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7751 conditions, 2618 events. 1229/2618 cut-off events. For 5402/5402 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 17803 event pairs, 320 based on Foata normal form. 27/2634 useless extension candidates. Maximal degree in co-relation 6772. Up to 745 conditions per place. [2024-11-07 19:21:25,996 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 136 selfloop transitions, 21 changer transitions 0/189 dead transitions. [2024-11-07 19:21:25,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 189 transitions, 1225 flow [2024-11-07 19:21:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 19:21:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 19:21:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 536 transitions. [2024-11-07 19:21:25,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47266313932980597 [2024-11-07 19:21:25,997 INFO L175 Difference]: Start difference. First operand has 127 places, 115 transitions, 612 flow. Second operand 9 states and 536 transitions. [2024-11-07 19:21:25,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 189 transitions, 1225 flow [2024-11-07 19:21:26,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 189 transitions, 1197 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 19:21:26,004 INFO L231 Difference]: Finished difference. Result has 128 places, 113 transitions, 626 flow [2024-11-07 19:21:26,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=626, PETRI_PLACES=128, PETRI_TRANSITIONS=113} [2024-11-07 19:21:26,005 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 12 predicate places. [2024-11-07 19:21:26,005 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 113 transitions, 626 flow [2024-11-07 19:21:26,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 19:21:26,005 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:26,005 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:26,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-07 19:21:26,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:26,206 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:26,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:26,206 INFO L85 PathProgramCache]: Analyzing trace with hash 390898072, now seen corresponding path program 1 times [2024-11-07 19:21:26,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:26,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363601882] [2024-11-07 19:21:26,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:26,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:26,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:26,208 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:26,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-07 19:21:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:26,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 19:21:26,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:26,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:26,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:26,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:26,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 19:21:26,505 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 19:21:26,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-07 19:21:26,519 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 19:21:26,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:26,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:26,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363601882] [2024-11-07 19:21:26,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363601882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:26,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:26,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:21:26,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645124242] [2024-11-07 19:21:26,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:26,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:21:26,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:26,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:21:26,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:21:26,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 126 [2024-11-07 19:21:26,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 113 transitions, 626 flow. Second operand has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 19:21:26,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:26,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 126 [2024-11-07 19:21:26,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:27,612 INFO L124 PetriNetUnfolderBase]: 1476/3063 cut-off events. [2024-11-07 19:21:27,612 INFO L125 PetriNetUnfolderBase]: For 6622/6622 co-relation queries the response was YES. [2024-11-07 19:21:27,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9501 conditions, 3063 events. 1476/3063 cut-off events. For 6622/6622 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 21683 event pairs, 498 based on Foata normal form. 24/3079 useless extension candidates. Maximal degree in co-relation 6839. Up to 701 conditions per place. [2024-11-07 19:21:27,624 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 133 selfloop transitions, 21 changer transitions 0/186 dead transitions. [2024-11-07 19:21:27,624 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 186 transitions, 1254 flow [2024-11-07 19:21:27,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 19:21:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-07 19:21:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 530 transitions. [2024-11-07 19:21:27,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4673721340388007 [2024-11-07 19:21:27,626 INFO L175 Difference]: Start difference. First operand has 128 places, 113 transitions, 626 flow. Second operand 9 states and 530 transitions. [2024-11-07 19:21:27,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 186 transitions, 1254 flow [2024-11-07 19:21:27,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 186 transitions, 1202 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-07 19:21:27,638 INFO L231 Difference]: Finished difference. Result has 126 places, 111 transitions, 620 flow [2024-11-07 19:21:27,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=620, PETRI_PLACES=126, PETRI_TRANSITIONS=111} [2024-11-07 19:21:27,639 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 10 predicate places. [2024-11-07 19:21:27,639 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 111 transitions, 620 flow [2024-11-07 19:21:27,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.5) internal successors, (279), 6 states have internal predecessors, (279), 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 19:21:27,640 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:27,640 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] [2024-11-07 19:21:27,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-07 19:21:27,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:27,841 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:27,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:27,841 INFO L85 PathProgramCache]: Analyzing trace with hash 681152799, now seen corresponding path program 1 times [2024-11-07 19:21:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951991074] [2024-11-07 19:21:27,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:27,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:27,844 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:27,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-07 19:21:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:28,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 19:21:28,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:28,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:28,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:28,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:28,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-07 19:21:28,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:28,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 63 [2024-11-07 19:21:28,091 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:28,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 53 [2024-11-07 19:21:28,104 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 19:21:28,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:28,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:28,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951991074] [2024-11-07 19:21:28,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951991074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:28,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:28,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:21:28,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007493006] [2024-11-07 19:21:28,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:28,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:28,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:28,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:28,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:21:28,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2024-11-07 19:21:28,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 111 transitions, 620 flow. Second operand has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 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 19:21:28,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:28,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2024-11-07 19:21:28,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:30,256 INFO L124 PetriNetUnfolderBase]: 1952/3758 cut-off events. [2024-11-07 19:21:30,256 INFO L125 PetriNetUnfolderBase]: For 8743/8743 co-relation queries the response was YES. [2024-11-07 19:21:30,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12054 conditions, 3758 events. 1952/3758 cut-off events. For 8743/8743 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 26306 event pairs, 1070 based on Foata normal form. 70/3814 useless extension candidates. Maximal degree in co-relation 8993. Up to 2868 conditions per place. [2024-11-07 19:21:30,274 INFO L140 encePairwiseOnDemand]: 116/126 looper letters, 109 selfloop transitions, 23 changer transitions 0/160 dead transitions. [2024-11-07 19:21:30,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 160 transitions, 1143 flow [2024-11-07 19:21:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:21:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:21:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 389 transitions. [2024-11-07 19:21:30,276 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5145502645502645 [2024-11-07 19:21:30,276 INFO L175 Difference]: Start difference. First operand has 126 places, 111 transitions, 620 flow. Second operand 6 states and 389 transitions. [2024-11-07 19:21:30,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 160 transitions, 1143 flow [2024-11-07 19:21:30,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 160 transitions, 1098 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-07 19:21:30,291 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 826 flow [2024-11-07 19:21:30,291 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2024-11-07 19:21:30,292 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 13 predicate places. [2024-11-07 19:21:30,292 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 826 flow [2024-11-07 19:21:30,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 51.0) internal successors, (255), 5 states have internal predecessors, (255), 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 19:21:30,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:30,292 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 19:21:30,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-07 19:21:30,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:30,493 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:30,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:30,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1603139404, now seen corresponding path program 1 times [2024-11-07 19:21:30,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:30,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717342871] [2024-11-07 19:21:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:30,496 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:30,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-07 19:21:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:30,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 19:21:30,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:30,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:30,659 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:30,659 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:30,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2024-11-07 19:21:30,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:30,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 49 [2024-11-07 19:21:30,718 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 19:21:30,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:30,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:30,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717342871] [2024-11-07 19:21:30,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717342871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:30,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:30,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:30,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677667370] [2024-11-07 19:21:30,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:30,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:21:30,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:30,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:21:30,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:21:30,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 126 [2024-11-07 19:21:30,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 826 flow. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 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 19:21:30,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:30,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 126 [2024-11-07 19:21:30,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:31,756 INFO L124 PetriNetUnfolderBase]: 2168/4270 cut-off events. [2024-11-07 19:21:31,756 INFO L125 PetriNetUnfolderBase]: For 11957/11963 co-relation queries the response was YES. [2024-11-07 19:21:31,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15003 conditions, 4270 events. 2168/4270 cut-off events. For 11957/11963 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 31120 event pairs, 1110 based on Foata normal form. 108/4364 useless extension candidates. Maximal degree in co-relation 13773. Up to 3008 conditions per place. [2024-11-07 19:21:31,776 INFO L140 encePairwiseOnDemand]: 118/126 looper letters, 114 selfloop transitions, 35 changer transitions 0/178 dead transitions. [2024-11-07 19:21:31,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 178 transitions, 1438 flow [2024-11-07 19:21:31,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:21:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:21:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 334 transitions. [2024-11-07 19:21:31,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5301587301587302 [2024-11-07 19:21:31,778 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 826 flow. Second operand 5 states and 334 transitions. [2024-11-07 19:21:31,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 178 transitions, 1438 flow [2024-11-07 19:21:31,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 178 transitions, 1418 flow, removed 10 selfloop flow, removed 0 redundant places. [2024-11-07 19:21:31,805 INFO L231 Difference]: Finished difference. Result has 136 places, 153 transitions, 1136 flow [2024-11-07 19:21:31,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1136, PETRI_PLACES=136, PETRI_TRANSITIONS=153} [2024-11-07 19:21:31,805 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 20 predicate places. [2024-11-07 19:21:31,805 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 153 transitions, 1136 flow [2024-11-07 19:21:31,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 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 19:21:31,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:31,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:31,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-07 19:21:32,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:32,006 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:32,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:32,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1620575929, now seen corresponding path program 1 times [2024-11-07 19:21:32,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:32,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928693940] [2024-11-07 19:21:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:32,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:32,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:32,009 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:32,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-07 19:21:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:32,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:21:32,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:32,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:32,167 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 19:21:32,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:32,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:32,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928693940] [2024-11-07 19:21:32,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928693940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:32,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:32,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:32,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201662384] [2024-11-07 19:21:32,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:32,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:32,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:32,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:32,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:32,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 126 [2024-11-07 19:21:32,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 153 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 19:21:32,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:32,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 126 [2024-11-07 19:21:32,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:32,673 INFO L124 PetriNetUnfolderBase]: 2100/4163 cut-off events. [2024-11-07 19:21:32,673 INFO L125 PetriNetUnfolderBase]: For 15742/15758 co-relation queries the response was YES. [2024-11-07 19:21:32,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16352 conditions, 4163 events. 2100/4163 cut-off events. For 15742/15758 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 30533 event pairs, 1242 based on Foata normal form. 1/4123 useless extension candidates. Maximal degree in co-relation 15010. Up to 3461 conditions per place. [2024-11-07 19:21:32,700 INFO L140 encePairwiseOnDemand]: 122/126 looper letters, 123 selfloop transitions, 5 changer transitions 0/159 dead transitions. [2024-11-07 19:21:32,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 159 transitions, 1444 flow [2024-11-07 19:21:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2024-11-07 19:21:32,701 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-07 19:21:32,701 INFO L175 Difference]: Start difference. First operand has 136 places, 153 transitions, 1136 flow. Second operand 3 states and 210 transitions. [2024-11-07 19:21:32,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 159 transitions, 1444 flow [2024-11-07 19:21:32,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 159 transitions, 1430 flow, removed 7 selfloop flow, removed 0 redundant places. [2024-11-07 19:21:32,727 INFO L231 Difference]: Finished difference. Result has 136 places, 151 transitions, 1128 flow [2024-11-07 19:21:32,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=136, PETRI_TRANSITIONS=151} [2024-11-07 19:21:32,728 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 20 predicate places. [2024-11-07 19:21:32,728 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 151 transitions, 1128 flow [2024-11-07 19:21:32,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 19:21:32,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:32,728 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:32,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-07 19:21:32,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:32,929 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:32,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:32,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1620575930, now seen corresponding path program 1 times [2024-11-07 19:21:32,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:32,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369228902] [2024-11-07 19:21:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:32,931 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:32,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-07 19:21:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:33,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:21:33,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:33,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:33,055 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 19:21:33,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:33,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:33,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369228902] [2024-11-07 19:21:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369228902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:33,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:33,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:21:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024674480] [2024-11-07 19:21:33,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:33,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:21:33,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:21:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:21:33,108 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 126 [2024-11-07 19:21:33,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 151 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 19:21:33,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:33,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 126 [2024-11-07 19:21:33,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:33,545 INFO L124 PetriNetUnfolderBase]: 2100/4156 cut-off events. [2024-11-07 19:21:33,545 INFO L125 PetriNetUnfolderBase]: For 15517/15533 co-relation queries the response was YES. [2024-11-07 19:21:33,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16311 conditions, 4156 events. 2100/4156 cut-off events. For 15517/15533 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 30426 event pairs, 1242 based on Foata normal form. 1/4116 useless extension candidates. Maximal degree in co-relation 15684. Up to 3461 conditions per place. [2024-11-07 19:21:33,568 INFO L140 encePairwiseOnDemand]: 122/126 looper letters, 123 selfloop transitions, 5 changer transitions 0/157 dead transitions. [2024-11-07 19:21:33,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 157 transitions, 1436 flow [2024-11-07 19:21:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:21:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:21:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2024-11-07 19:21:33,569 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-07 19:21:33,569 INFO L175 Difference]: Start difference. First operand has 136 places, 151 transitions, 1128 flow. Second operand 3 states and 210 transitions. [2024-11-07 19:21:33,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 157 transitions, 1436 flow [2024-11-07 19:21:33,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 157 transitions, 1426 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:33,595 INFO L231 Difference]: Finished difference. Result has 134 places, 149 transitions, 1124 flow [2024-11-07 19:21:33,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=134, PETRI_TRANSITIONS=149} [2024-11-07 19:21:33,596 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 18 predicate places. [2024-11-07 19:21:33,596 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 149 transitions, 1124 flow [2024-11-07 19:21:33,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 19:21:33,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:33,596 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:33,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-07 19:21:33,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:33,797 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:33,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:33,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1842184571, now seen corresponding path program 1 times [2024-11-07 19:21:33,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:33,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433011261] [2024-11-07 19:21:33,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:33,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:33,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:33,799 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:33,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-07 19:21:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:33,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:21:33,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:34,069 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~#data~1#1.base_79| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#data~1#1.base_79|)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_~#data~1#1.base_79| (_ bv0 1)) |c_#valid|))) is different from true [2024-11-07 19:21:34,076 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 19:21:34,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:34,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:34,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433011261] [2024-11-07 19:21:34,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433011261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:34,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:34,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:21:34,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116618895] [2024-11-07 19:21:34,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:34,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:21:34,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:21:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2024-11-07 19:21:34,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 126 [2024-11-07 19:21:34,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 149 transitions, 1124 flow. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 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 19:21:34,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:34,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 126 [2024-11-07 19:21:34,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:34,806 INFO L124 PetriNetUnfolderBase]: 2220/4294 cut-off events. [2024-11-07 19:21:34,807 INFO L125 PetriNetUnfolderBase]: For 15796/15796 co-relation queries the response was YES. [2024-11-07 19:21:34,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16933 conditions, 4294 events. 2220/4294 cut-off events. For 15796/15796 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 30427 event pairs, 847 based on Foata normal form. 0/4290 useless extension candidates. Maximal degree in co-relation 16296. Up to 1947 conditions per place. [2024-11-07 19:21:34,828 INFO L140 encePairwiseOnDemand]: 104/126 looper letters, 131 selfloop transitions, 36 changer transitions 4/187 dead transitions. [2024-11-07 19:21:34,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 187 transitions, 1711 flow [2024-11-07 19:21:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:21:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:21:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 252 transitions. [2024-11-07 19:21:34,829 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-11-07 19:21:34,829 INFO L175 Difference]: Start difference. First operand has 134 places, 149 transitions, 1124 flow. Second operand 5 states and 252 transitions. [2024-11-07 19:21:34,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 187 transitions, 1711 flow [2024-11-07 19:21:34,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 187 transitions, 1701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:21:34,855 INFO L231 Difference]: Finished difference. Result has 139 places, 163 transitions, 1376 flow [2024-11-07 19:21:34,855 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1376, PETRI_PLACES=139, PETRI_TRANSITIONS=163} [2024-11-07 19:21:34,855 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, 23 predicate places. [2024-11-07 19:21:34,855 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 163 transitions, 1376 flow [2024-11-07 19:21:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 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 19:21:34,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:34,855 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:34,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-07 19:21:35,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:35,056 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:35,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:35,056 INFO L85 PathProgramCache]: Analyzing trace with hash 79962136, now seen corresponding path program 1 times [2024-11-07 19:21:35,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:35,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186177949] [2024-11-07 19:21:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:35,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:35,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:35,059 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:35,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-07 19:21:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:35,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:21:35,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:35,207 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 19:21:35,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:35,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:35,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186177949] [2024-11-07 19:21:35,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186177949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:35,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:35,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:21:35,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365438761] [2024-11-07 19:21:35,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:35,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:21:35,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:35,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:21:35,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:21:35,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 126 [2024-11-07 19:21:35,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 163 transitions, 1376 flow. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 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 19:21:35,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:35,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 126 [2024-11-07 19:21:35,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:35,453 INFO L124 PetriNetUnfolderBase]: 225/436 cut-off events. [2024-11-07 19:21:35,453 INFO L125 PetriNetUnfolderBase]: For 1737/1737 co-relation queries the response was YES. [2024-11-07 19:21:35,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1912 conditions, 436 events. 225/436 cut-off events. For 1737/1737 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1474 event pairs, 31 based on Foata normal form. 36/471 useless extension candidates. Maximal degree in co-relation 1883. Up to 226 conditions per place. [2024-11-07 19:21:35,455 INFO L140 encePairwiseOnDemand]: 122/126 looper letters, 64 selfloop transitions, 9 changer transitions 0/96 dead transitions. [2024-11-07 19:21:35,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 96 transitions, 720 flow [2024-11-07 19:21:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:21:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:21:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 263 transitions. [2024-11-07 19:21:35,455 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5218253968253969 [2024-11-07 19:21:35,455 INFO L175 Difference]: Start difference. First operand has 139 places, 163 transitions, 1376 flow. Second operand 4 states and 263 transitions. [2024-11-07 19:21:35,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 96 transitions, 720 flow [2024-11-07 19:21:35,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 96 transitions, 497 flow, removed 50 selfloop flow, removed 33 redundant places. [2024-11-07 19:21:35,459 INFO L231 Difference]: Finished difference. Result has 89 places, 76 transitions, 287 flow [2024-11-07 19:21:35,459 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=287, PETRI_PLACES=89, PETRI_TRANSITIONS=76} [2024-11-07 19:21:35,460 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -27 predicate places. [2024-11-07 19:21:35,460 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 76 transitions, 287 flow [2024-11-07 19:21:35,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 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 19:21:35,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:35,460 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:35,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-07 19:21:35,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:35,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:35,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:35,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1331630625, now seen corresponding path program 1 times [2024-11-07 19:21:35,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:35,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730802936] [2024-11-07 19:21:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:35,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:35,663 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:35,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-07 19:21:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:35,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 19:21:35,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:35,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:35,946 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-07 19:21:35,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 19:21:35,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2024-11-07 19:21:35,971 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 19:21:35,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:35,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730802936] [2024-11-07 19:21:35,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730802936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:35,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:35,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:21:35,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226119540] [2024-11-07 19:21:35,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:35,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:21:35,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:21:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:21:36,062 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 126 [2024-11-07 19:21:36,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 76 transitions, 287 flow. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 19:21:36,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:36,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 126 [2024-11-07 19:21:36,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:36,251 INFO L124 PetriNetUnfolderBase]: 225/435 cut-off events. [2024-11-07 19:21:36,251 INFO L125 PetriNetUnfolderBase]: For 590/590 co-relation queries the response was YES. [2024-11-07 19:21:36,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1334 conditions, 435 events. 225/435 cut-off events. For 590/590 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1374 event pairs, 127 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 1322. Up to 294 conditions per place. [2024-11-07 19:21:36,252 INFO L140 encePairwiseOnDemand]: 121/126 looper letters, 56 selfloop transitions, 7 changer transitions 0/83 dead transitions. [2024-11-07 19:21:36,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 83 transitions, 443 flow [2024-11-07 19:21:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:21:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:21:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 219 transitions. [2024-11-07 19:21:36,253 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43452380952380953 [2024-11-07 19:21:36,253 INFO L175 Difference]: Start difference. First operand has 89 places, 76 transitions, 287 flow. Second operand 4 states and 219 transitions. [2024-11-07 19:21:36,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 83 transitions, 443 flow [2024-11-07 19:21:36,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 425 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 19:21:36,255 INFO L231 Difference]: Finished difference. Result has 88 places, 75 transitions, 281 flow [2024-11-07 19:21:36,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=281, PETRI_PLACES=88, PETRI_TRANSITIONS=75} [2024-11-07 19:21:36,255 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -28 predicate places. [2024-11-07 19:21:36,256 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 75 transitions, 281 flow [2024-11-07 19:21:36,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 19:21:36,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:36,256 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:36,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-07 19:21:36,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:36,458 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:36,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash -652910952, now seen corresponding path program 1 times [2024-11-07 19:21:36,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:36,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006934208] [2024-11-07 19:21:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:36,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:36,460 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:36,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-07 19:21:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:36,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 19:21:36,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:36,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 19:21:36,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 19:21:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:36,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 19:21:36,904 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 19:21:36,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-07 19:21:36,924 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 19:21:36,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:36,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:36,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006934208] [2024-11-07 19:21:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006934208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:36,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:36,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:21:36,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786602701] [2024-11-07 19:21:36,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:36,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:21:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:36,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:21:36,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:21:37,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 126 [2024-11-07 19:21:37,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 75 transitions, 281 flow. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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 19:21:37,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:21:37,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 126 [2024-11-07 19:21:37,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:21:37,284 INFO L124 PetriNetUnfolderBase]: 225/429 cut-off events. [2024-11-07 19:21:37,284 INFO L125 PetriNetUnfolderBase]: For 420/420 co-relation queries the response was YES. [2024-11-07 19:21:37,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 429 events. 225/429 cut-off events. For 420/420 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1372 event pairs, 87 based on Foata normal form. 1/430 useless extension candidates. Maximal degree in co-relation 1282. Up to 215 conditions per place. [2024-11-07 19:21:37,286 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 51 selfloop transitions, 12 changer transitions 0/77 dead transitions. [2024-11-07 19:21:37,286 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 77 transitions, 427 flow [2024-11-07 19:21:37,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:21:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:21:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 294 transitions. [2024-11-07 19:21:37,287 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-07 19:21:37,287 INFO L175 Difference]: Start difference. First operand has 88 places, 75 transitions, 281 flow. Second operand 7 states and 294 transitions. [2024-11-07 19:21:37,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 77 transitions, 427 flow [2024-11-07 19:21:37,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 77 transitions, 413 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 19:21:37,289 INFO L231 Difference]: Finished difference. Result has 85 places, 69 transitions, 279 flow [2024-11-07 19:21:37,289 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=279, PETRI_PLACES=85, PETRI_TRANSITIONS=69} [2024-11-07 19:21:37,289 INFO L277 CegarLoopForPetriNet]: 116 programPoint places, -31 predicate places. [2024-11-07 19:21:37,289 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 69 transitions, 279 flow [2024-11-07 19:21:37,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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 19:21:37,290 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:21:37,290 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:21:37,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-07 19:21:37,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:37,490 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK (and 48 more)] === [2024-11-07 19:21:37,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:21:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1675284071, now seen corresponding path program 1 times [2024-11-07 19:21:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:21:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899913497] [2024-11-07 19:21:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:21:37,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:21:37,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:21:37,493 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:21:37,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-07 19:21:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:21:37,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 19:21:37,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:21:37,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:37,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 19:21:37,912 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:37,912 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 19:21:37,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33 [2024-11-07 19:21:37,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:37,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 28 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 85 [2024-11-07 19:21:40,556 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 19:21:40,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 133 treesize of output 69 [2024-11-07 19:21:40,577 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 19:21:40,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:21:40,577 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:21:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899913497] [2024-11-07 19:21:40,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899913497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:21:40,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:21:40,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 19:21:40,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801666587] [2024-11-07 19:21:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:21:40,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:21:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:21:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:21:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=41, Unknown=1, NotChecked=0, Total=56 [2024-11-07 19:21:42,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:44,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:47,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:49,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:51,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:53,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:55,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:21:58,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:00,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:02,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:05,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:06,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:08,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:11,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:13,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:15,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:17,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:19,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:21,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:23,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:26,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:28,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:31,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:33,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:36,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:39,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:39,036 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 126 [2024-11-07 19:22:39,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 69 transitions, 279 flow. Second operand has 8 states, 8 states have (on average 26.125) internal successors, (209), 8 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:22:39,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:22:39,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 126 [2024-11-07 19:22:39,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:22:43,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-07 19:22:49,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]