./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:30,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:30,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 23:04:30,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:30,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:30,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:30,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:30,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:30,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:30,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:30,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:30,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:30,413 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:30,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:30,415 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:30,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:04:30,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:30,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:30,416 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 23:04:30,417 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 23:04:30,417 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 23:04:30,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:30,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:04:30,418 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:04:30,419 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:30,419 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:30,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:30,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:30,420 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:30,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:30,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:30,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:30,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:04:30,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:04:30,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:30,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:30,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:30,423 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:30,423 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_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2023-11-06 23:04:30,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:30,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:30,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:30,790 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:30,791 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:30,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 23:04:33,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:34,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:34,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 23:04:34,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/1c646eab9/dcee3b7d323840deb9870776eb191bf6/FLAG01dd817e9 [2023-11-06 23:04:34,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/1c646eab9/dcee3b7d323840deb9870776eb191bf6 [2023-11-06 23:04:34,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:34,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:34,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:34,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:34,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:34,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:34" (1/1) ... [2023-11-06 23:04:34,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6084a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:34, skipping insertion in model container [2023-11-06 23:04:34,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:34" (1/1) ... [2023-11-06 23:04:34,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:34,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:34,535 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) [2023-11-06 23:04:34,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11a78dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:34, skipping insertion in model container [2023-11-06 23:04:34,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:34,536 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 23:04:34,538 INFO L158 Benchmark]: Toolchain (without parser) took 343.85ms. Allocated memory is still 134.2MB. Free memory was 92.7MB in the beginning and 100.1MB in the end (delta: -7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:04:34,539 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 109.1MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:04:34,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.31ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 100.1MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:04:34,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 109.1MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.31ms. Allocated memory is still 134.2MB. Free memory was 92.3MB in the beginning and 100.1MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:04:37,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:04:37,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 23:04:37,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:04:37,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:04:37,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:04:37,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:04:37,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:04:37,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:04:37,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:04:37,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:04:37,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:04:37,354 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:04:37,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:04:37,357 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:04:37,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:04:37,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:04:37,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:04:37,359 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 23:04:37,360 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 23:04:37,360 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 23:04:37,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:04:37,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:04:37,362 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:04:37,362 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:04:37,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:04:37,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:04:37,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:04:37,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:04:37,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:04:37,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:04:37,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:37,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:04:37,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:04:37,368 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:04:37,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:04:37,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:04:37,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:04:37,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:04:37,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:04:37,370 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:04:37,370 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_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b350b5c7953744a22c8334b20c4dc8efdff09f1ecb36de8b1744d1e20f0260 [2023-11-06 23:04:37,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:04:37,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:04:37,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:04:37,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:04:37,820 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:04:37,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 23:04:40,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:04:41,220 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:04:41,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-06 23:04:41,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/3928e4b2f/1c433248294d497e860e9d2c0bf96ee9/FLAG9e1db08dd [2023-11-06 23:04:41,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/data/3928e4b2f/1c433248294d497e860e9d2c0bf96ee9 [2023-11-06 23:04:41,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:04:41,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:04:41,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:41,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:04:41,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:04:41,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f35c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41, skipping insertion in model container [2023-11-06 23:04:41,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:41,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:41,624 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 23:04:41,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:04:41,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:41,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:04:41,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:04:41,761 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:04:41,761 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:04:41,769 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:04:41,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41 WrapperNode [2023-11-06 23:04:41,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:04:41,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:41,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:04:41,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:04:41,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,872 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 386 [2023-11-06 23:04:41,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:04:41,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:04:41,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:04:41,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:04:41,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:04:41,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:04:41,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:04:41,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:04:41,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (1/1) ... [2023-11-06 23:04:41,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:04:42,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:04:42,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:04:42,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:04:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:04:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:04:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:04:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:04:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 23:04:42,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 23:04:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 23:04:42,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 23:04:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 23:04:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 23:04:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-06 23:04:42,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-06 23:04:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-06 23:04:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-06 23:04:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-06 23:04:42,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-06 23:04:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:04:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:04:42,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:04:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:04:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:04:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:04:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:04:42,087 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:04:42,296 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:04:42,299 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:04:43,277 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:04:43,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:04:43,618 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 23:04:43,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:43 BoogieIcfgContainer [2023-11-06 23:04:43,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:04:43,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:04:43,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:04:43,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:04:43,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:04:41" (1/3) ... [2023-11-06 23:04:43,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c493f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:43, skipping insertion in model container [2023-11-06 23:04:43,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:04:41" (2/3) ... [2023-11-06 23:04:43,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c493f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:04:43, skipping insertion in model container [2023-11-06 23:04:43,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:04:43" (3/3) ... [2023-11-06 23:04:43,638 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-06 23:04:43,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:04:43,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-06 23:04:43,659 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:04:43,882 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-06 23:04:43,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 357 transitions, 780 flow [2023-11-06 23:04:44,170 INFO L124 PetriNetUnfolderBase]: 21/307 cut-off events. [2023-11-06 23:04:44,171 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-06 23:04:44,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 307 events. 21/307 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 481 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 254. Up to 3 conditions per place. [2023-11-06 23:04:44,183 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 357 transitions, 780 flow [2023-11-06 23:04:44,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 302 transitions, 652 flow [2023-11-06 23:04:44,201 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:04:44,217 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 302 transitions, 652 flow [2023-11-06 23:04:44,222 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 302 transitions, 652 flow [2023-11-06 23:04:44,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 300 places, 302 transitions, 652 flow [2023-11-06 23:04:44,327 INFO L124 PetriNetUnfolderBase]: 21/302 cut-off events. [2023-11-06 23:04:44,327 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-06 23:04:44,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 302 events. 21/302 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 482 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 254. Up to 3 conditions per place. [2023-11-06 23:04:44,347 INFO L119 LiptonReduction]: Number of co-enabled transitions 14424 [2023-11-06 23:05:15,168 INFO L134 LiptonReduction]: Checked pairs total: 55636 [2023-11-06 23:05:15,168 INFO L136 LiptonReduction]: Total number of compositions: 278 [2023-11-06 23:05:15,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:05:15,190 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;@1f09548a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:05:15,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2023-11-06 23:05:15,193 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:05:15,193 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-11-06 23:05:15,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:05:15,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:05:15,194 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-06 23:05:15,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 67 more)] === [2023-11-06 23:05:15,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash 52763, now seen corresponding path program 1 times [2023-11-06 23:05:15,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:05:15,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407842818] [2023-11-06 23:05:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:15,218 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 [2023-11-06 23:05:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:05:15,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:05:15,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:05:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:15,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:05:15,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:15,505 INFO L351 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 8 treesize of output 7 [2023-11-06 23:05:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:15,558 INFO L351 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 13 treesize of output 1 [2023-11-06 23:05:15,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:15,587 INFO L351 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 13 treesize of output 1 [2023-11-06 23:05:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:15,596 INFO L351 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 8 treesize of output 1 [2023-11-06 23:05:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:15,636 INFO L351 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 18 treesize of output 1 [2023-11-06 23:05:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:15,655 INFO L351 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 13 treesize of output 1 [2023-11-06 23:05:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:05:15,688 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:15,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407842818] [2023-11-06 23:05:15,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407842818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:15,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:15,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:05:15,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196908996] [2023-11-06 23:05:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:15,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:05:15,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:05:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:05:16,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 290 out of 639 [2023-11-06 23:05:16,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 96 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2023-11-06 23:05:16,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:05:16,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 290 of 639 [2023-11-06 23:05:16,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:05:37,730 INFO L124 PetriNetUnfolderBase]: 132963/168298 cut-off events. [2023-11-06 23:05:37,731 INFO L125 PetriNetUnfolderBase]: For 10779/10779 co-relation queries the response was YES. [2023-11-06 23:05:38,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342156 conditions, 168298 events. 132963/168298 cut-off events. For 10779/10779 co-relation queries the response was YES. Maximal size of possible extension queue 6624. Compared 903301 event pairs, 106479 based on Foata normal form. 0/55588 useless extension candidates. Maximal degree in co-relation 339609. Up to 160360 conditions per place. [2023-11-06 23:05:39,218 INFO L140 encePairwiseOnDemand]: 632/639 looper letters, 63 selfloop transitions, 5 changer transitions 0/100 dead transitions. [2023-11-06 23:05:39,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 100 transitions, 384 flow [2023-11-06 23:05:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:05:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:05:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2023-11-06 23:05:39,242 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4903495044340115 [2023-11-06 23:05:39,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2023-11-06 23:05:39,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2023-11-06 23:05:39,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:05:39,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2023-11-06 23:05:39,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2023-11-06 23:05:39,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 639.0) internal successors, (2556), 4 states have internal predecessors, (2556), 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) [2023-11-06 23:05:39,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 639.0) internal successors, (2556), 4 states have internal predecessors, (2556), 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) [2023-11-06 23:05:39,273 INFO L175 Difference]: Start difference. First operand has 106 places, 96 transitions, 240 flow. Second operand 3 states and 940 transitions. [2023-11-06 23:05:39,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 100 transitions, 384 flow [2023-11-06 23:05:39,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 100 transitions, 352 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-06 23:05:39,809 INFO L231 Difference]: Finished difference. Result has 96 places, 99 transitions, 239 flow [2023-11-06 23:05:39,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=639, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=96, PETRI_TRANSITIONS=99} [2023-11-06 23:05:39,815 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -10 predicate places. [2023-11-06 23:05:39,815 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 99 transitions, 239 flow [2023-11-06 23:05:39,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.6666666666667) internal successors, (872), 3 states have internal predecessors, (872), 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) [2023-11-06 23:05:39,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:05:39,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-06 23:05:39,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 23:05:40,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:05:40,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 67 more)] === [2023-11-06 23:05:40,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:05:40,029 INFO L85 PathProgramCache]: Analyzing trace with hash 52762, now seen corresponding path program 1 times [2023-11-06 23:05:40,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:05:40,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182521245] [2023-11-06 23:05:40,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:05:40,030 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 [2023-11-06 23:05:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:05:40,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:05:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e27fbe1-6a79-4d01-a7bb-fac992a1fa3e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:05:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:05:40,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:05:40,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:05:40,169 INFO L351 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 7 [2023-11-06 23:05:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:40,187 INFO L351 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 [2023-11-06 23:05:40,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:40,197 INFO L351 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 [2023-11-06 23:05:40,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:40,212 INFO L351 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 [2023-11-06 23:05:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:40,229 INFO L351 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 [2023-11-06 23:05:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:05:40,235 INFO L351 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 [2023-11-06 23:05:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:05:40,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:05:40,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:05:40,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182521245] [2023-11-06 23:05:40,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182521245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:05:40,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:05:40,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:05:40,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562661947] [2023-11-06 23:05:40,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:05:40,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:05:40,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:05:40,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:05:40,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:05:40,467 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 639 [2023-11-06 23:05:40,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 99 transitions, 239 flow. Second operand has 3 states, 3 states have (on average 287.6666666666667) internal successors, (863), 3 states have internal predecessors, (863), 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) [2023-11-06 23:05:40,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:05:40,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 639 [2023-11-06 23:05:40,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand