./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:39:44,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:39:44,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-13 12:39:44,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:39:44,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:39:44,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:39:44,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:39:44,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:39:44,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:39:44,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:39:44,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:39:44,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:39:44,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:39:44,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:39:44,986 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:39:44,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:39:44,987 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:39:44,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:39:44,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:39:44,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:39:44,992 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:39:44,993 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:39:44,993 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:39:44,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:39:44,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:39:44,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:39:44,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:39:44,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:39:44,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:39:44,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:39:44,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:39:44,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:39:44,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:39:44,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:39:44,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:39:44,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:39:44,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:39:44,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:39:44,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:39:44,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:39:44,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:39:44,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:39:45,000 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2024-10-13 12:39:45,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:39:45,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:39:45,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:39:45,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:39:45,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:39:45,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-13 12:39:46,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:39:47,087 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:39:47,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-13 12:39:47,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e12b143/24e589ea086c4d34a1f88d6670aa28fe/FLAG9207c4560 [2024-10-13 12:39:47,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e12b143/24e589ea086c4d34a1f88d6670aa28fe [2024-10-13 12:39:47,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:39:47,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:39:47,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:39:47,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:39:47,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:39:47,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:47" (1/1) ... [2024-10-13 12:39:47,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d54c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:47, skipping insertion in model container [2024-10-13 12:39:47,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:47" (1/1) ... [2024-10-13 12:39:47,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:39:47,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:39:47,799 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) [2024-10-13 12:39:47,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@614ed961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:47, skipping insertion in model container [2024-10-13 12:39:47,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:39:47,801 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-13 12:39:47,803 INFO L158 Benchmark]: Toolchain (without parser) took 342.46ms. Allocated memory is still 157.3MB. Free memory was 126.5MB in the beginning and 114.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:39:47,804 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:39:47,804 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.22ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 114.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:39:47,806 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.22ms. Allocated memory is still 157.3MB. Free memory was 126.0MB in the beginning and 114.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:39:49,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:39:50,076 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-13 12:39:50,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:39:50,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:39:50,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:39:50,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:39:50,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:39:50,116 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:39:50,118 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:39:50,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:39:50,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:39:50,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:39:50,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:39:50,120 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:39:50,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:39:50,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:39:50,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:39:50,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:39:50,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:39:50,127 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-13 12:39:50,128 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-13 12:39:50,128 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-13 12:39:50,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:39:50,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-13 12:39:50,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-13 12:39:50,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:39:50,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-13 12:39:50,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:39:50,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:39:50,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:39:50,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:39:50,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:39:50,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:39:50,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:39:50,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:39:50,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:39:50,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:39:50,136 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-13 12:39:50,137 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-13 12:39:50,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:39:50,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:39:50,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:39:50,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:39:50,138 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-13 12:39:50,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2024-10-13 12:39:50,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:39:50,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:39:50,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:39:50,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:39:50,605 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:39:50,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-13 12:39:52,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:39:52,640 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:39:52,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2024-10-13 12:39:52,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e015c09d/5124f106b2e447cdbaa22a635c8ebdb3/FLAG4e45cf673 [2024-10-13 12:39:52,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e015c09d/5124f106b2e447cdbaa22a635c8ebdb3 [2024-10-13 12:39:52,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:39:52,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:39:52,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:39:52,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:39:52,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:39:52,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:52" (1/1) ... [2024-10-13 12:39:52,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e40cd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:52, skipping insertion in model container [2024-10-13 12:39:52,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:52" (1/1) ... [2024-10-13 12:39:52,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:39:53,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:39:53,037 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-13 12:39:53,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:39:53,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:39:53,102 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:39:53,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:39:53,169 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:39:53,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53 WrapperNode [2024-10-13 12:39:53,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:39:53,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:39:53,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:39:53,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:39:53,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,238 INFO L138 Inliner]: procedures = 30, calls = 66, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 287 [2024-10-13 12:39:53,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:39:53,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:39:53,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:39:53,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:39:53,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,304 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-10-13 12:39:53,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:39:53,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:39:53,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:39:53,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:39:53,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (1/1) ... [2024-10-13 12:39:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:39:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:39:53,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 12:39:53,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 12:39:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:39:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-13 12:39:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-13 12:39:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-13 12:39:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-13 12:39:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 12:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 12:39:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 12:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 12:39:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 12:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 12:39:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-13 12:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-13 12:39:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-13 12:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-13 12:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-13 12:39:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-13 12:39:53,459 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 12:39:53,615 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:39:53,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:39:54,290 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 12:39:54,290 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:39:54,742 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:39:54,742 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-13 12:39:54,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:54 BoogieIcfgContainer [2024-10-13 12:39:54,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:39:54,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:39:54,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:39:54,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:39:54,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:39:52" (1/3) ... [2024-10-13 12:39:54,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948de90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:39:54, skipping insertion in model container [2024-10-13 12:39:54,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:53" (2/3) ... [2024-10-13 12:39:54,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7948de90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:39:54, skipping insertion in model container [2024-10-13 12:39:54,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:54" (3/3) ... [2024-10-13 12:39:54,753 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2024-10-13 12:39:54,771 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:39:54,772 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-10-13 12:39:54,772 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 12:39:54,906 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-13 12:39:54,947 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 97 transitions, 260 flow [2024-10-13 12:39:54,997 INFO L124 PetriNetUnfolderBase]: 13/85 cut-off events. [2024-10-13 12:39:54,997 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-13 12:39:55,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 85 events. 13/85 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 242 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 89. Up to 3 conditions per place. [2024-10-13 12:39:55,004 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 97 transitions, 260 flow [2024-10-13 12:39:55,009 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 84 transitions, 216 flow [2024-10-13 12:39:55,023 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:39:55,031 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;@675908a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:39:55,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-13 12:39:55,036 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 12:39:55,036 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-10-13 12:39:55,036 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 12:39:55,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 12:39:55,037 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-13 12:39:55,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 27 more)] === [2024-10-13 12:39:55,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:39:55,043 INFO L85 PathProgramCache]: Analyzing trace with hash 953667, now seen corresponding path program 1 times [2024-10-13 12:39:55,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-13 12:39:55,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679939335] [2024-10-13 12:39:55,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:39:55,058 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 [2024-10-13 12:39:55,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-13 12:39:55,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2024-10-13 12:39:55,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2024-10-13 12:39:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:39:55,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:39:55,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:39:55,238 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 [2024-10-13 12:39:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:39:55,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:39:55,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-13 12:39:55,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679939335] [2024-10-13 12:39:55,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679939335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:39:55,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:39:55,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 12:39:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71872236] [2024-10-13 12:39:55,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:39:55,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:39:55,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-13 12:39:55,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:39:55,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:39:55,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 101 [2024-10-13 12:39:55,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 84 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-10-13 12:39:55,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 12:39:55,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 101 [2024-10-13 12:39:55,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand