./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu --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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:31,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:31,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:34:31,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:31,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:31,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:31,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:31,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:31,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:31,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:31,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:31,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:31,902 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:31,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:31,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:31,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:31,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:31,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:31,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:34:31,907 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:34:31,907 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:34:31,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:31,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:34:31,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:31,909 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:31,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:31,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:31,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:31,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:31,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:31,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:31,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:31,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:31,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:31,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:31,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:31,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:31,915 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:31,915 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2023-11-19 07:34:32,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:32,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:32,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:32,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:32,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:32,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-19 07:34:35,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:35,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:35,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-19 07:34:35,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/ebce23605/e2ce80820303449097a96c55c45dab51/FLAG21f39ee0e [2023-11-19 07:34:35,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/ebce23605/e2ce80820303449097a96c55c45dab51 [2023-11-19 07:34:35,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:35,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:35,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:35,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:35,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:35,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:35" (1/1) ... [2023-11-19 07:34:35,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6004a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:35, skipping insertion in model container [2023-11-19 07:34:35,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:35" (1/1) ... [2023-11-19 07:34:35,612 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:35,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:35,901 ERROR L324 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) [2023-11-19 07:34:35,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32d3c871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:35, skipping insertion in model container [2023-11-19 07:34:35,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:35,903 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:34:35,905 INFO L158 Benchmark]: Toolchain (without parser) took 382.83ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 61.0MB in the beginning and 118.3MB in the end (delta: -57.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:35,905 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:34:35,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.39ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 60.8MB in the beginning and 118.3MB in the end (delta: -57.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-19 07:34:35,908 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.39ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 60.8MB in the beginning and 118.3MB in the end (delta: -57.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 119]: 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: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu --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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:38,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:38,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:34:38,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:38,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:38,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:38,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:38,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:38,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:38,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:38,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:38,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:38,730 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:38,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:38,733 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:34:38,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:38,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:34:38,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:38,735 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:34:38,736 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:34:38,736 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:34:38,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:38,737 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:34:38,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:34:38,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:34:38,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:34:38,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:34:38,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:38,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:38,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:38,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:38,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:38,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:38,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:38,744 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:34:38,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:34:38,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:38,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:38,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:38,746 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:34:38,747 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:38,747 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2023-11-19 07:34:39,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:39,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:39,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:39,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:39,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:39,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-19 07:34:42,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:42,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:42,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-19 07:34:42,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/d3733be31/515e8947414f4a1fbab0d0a39ffd099e/FLAG7d4b87cd9 [2023-11-19 07:34:42,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/data/d3733be31/515e8947414f4a1fbab0d0a39ffd099e [2023-11-19 07:34:42,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:42,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:42,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:42,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:42,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:42,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:42" (1/1) ... [2023-11-19 07:34:42,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515e6bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:42, skipping insertion in model container [2023-11-19 07:34:42,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:42" (1/1) ... [2023-11-19 07:34:42,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:43,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:43,113 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:34:43,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:43,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:43,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:43,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:43,279 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:43,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43 WrapperNode [2023-11-19 07:34:43,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:43,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:43,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:43,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:43,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,378 INFO L138 Inliner]: procedures = 28, calls = 48, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 282 [2023-11-19 07:34:43,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:43,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:43,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:43,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:43,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:43,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:43,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:43,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:43,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (1/1) ... [2023-11-19 07:34:43,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:43,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:43,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:43,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:34:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:34:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:34:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:34:43,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:34:43,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:34:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:34:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:34:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:34:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:34:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:43,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:34:43,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:34:43,543 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:34:43,701 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:43,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:44,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:34:44,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:34:44,630 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:34:44,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:44 BoogieIcfgContainer [2023-11-19 07:34:44,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:34:44,639 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:34:44,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:34:44,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:34:44,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:42" (1/3) ... [2023-11-19 07:34:44,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7563047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:44, skipping insertion in model container [2023-11-19 07:34:44,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:43" (2/3) ... [2023-11-19 07:34:44,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7563047f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:44, skipping insertion in model container [2023-11-19 07:34:44,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:44" (3/3) ... [2023-11-19 07:34:44,647 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-11-19 07:34:44,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:34:44,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 07:34:44,666 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:34:44,816 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 07:34:44,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 403 transitions, 827 flow [2023-11-19 07:34:45,079 INFO L124 PetriNetUnfolderBase]: 29/400 cut-off events. [2023-11-19 07:34:45,079 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:34:45,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 400 events. 29/400 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 746 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-11-19 07:34:45,090 INFO L82 GeneralOperation]: Start removeDead. Operand has 384 places, 403 transitions, 827 flow [2023-11-19 07:34:45,100 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 395 transitions, 808 flow [2023-11-19 07:34:45,104 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:34:45,114 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 395 transitions, 808 flow [2023-11-19 07:34:45,116 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 395 transitions, 808 flow [2023-11-19 07:34:45,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 395 transitions, 808 flow [2023-11-19 07:34:45,221 INFO L124 PetriNetUnfolderBase]: 29/395 cut-off events. [2023-11-19 07:34:45,222 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 07:34:45,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 395 events. 29/395 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 744 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-11-19 07:34:45,244 INFO L119 LiptonReduction]: Number of co-enabled transitions 25650 [2023-11-19 07:35:27,118 INFO L134 LiptonReduction]: Checked pairs total: 26521 [2023-11-19 07:35:27,118 INFO L136 LiptonReduction]: Total number of compositions: 475 [2023-11-19 07:35:27,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:27,147 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@6e87e7fc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:27,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2023-11-19 07:35:27,152 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:35:27,153 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-11-19 07:35:27,153 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:35:27,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:35:27,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-19 07:35:27,155 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2023-11-19 07:35:27,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:27,162 INFO L85 PathProgramCache]: Analyzing trace with hash 51448, now seen corresponding path program 1 times [2023-11-19 07:35:27,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:27,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695076949] [2023-11-19 07:35:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:27,189 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 [2023-11-19 07:35:27,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:27,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:35:27,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9dfd8d-f49b-4f3a-9b56-cbda1c2f35be/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:35:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:35:27,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:27,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-11-19 07:35:27,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 1 [2023-11-19 07:35:27,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-19 07:35:27,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-19 07:35:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-19 07:35:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:27,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:27,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-19 07:35:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:27,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:27,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-19 07:35:27,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:27,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:28,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2023-11-19 07:35:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:35:28,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2023-11-19 07:35:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:28,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:28,040 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:28,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695076949] [2023-11-19 07:35:28,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695076949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:28,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:28,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:35:28,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240863914] [2023-11-19 07:35:28,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:28,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:35:28,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:28,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:28,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:28,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 878 [2023-11-19 07:35:28,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 63 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 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) [2023-11-19 07:35:28,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:35:28,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 878 [2023-11-19 07:35:28,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand