./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 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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:02,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:02,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 08:05:02,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:02,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:02,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:02,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:02,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:02,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:02,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:02,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:02,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:02,495 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:02,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:02,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:02,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:02,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:02,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:02,499 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:05:02,499 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:05:02,500 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:05:02,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:02,501 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:02,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:05:02,502 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:02,503 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:02,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:02,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:02,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:02,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:02,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:02,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:02,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:02,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:02,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:02,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:02,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:02,509 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:02,509 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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 08:05:02,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:02,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:02,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:02,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:02,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:02,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 08:05:06,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:06,712 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:06,713 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 08:05:06,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/46d8022f1/88cb7178e70e403496b1238770387ce4/FLAGa9cca2548 [2023-11-19 08:05:06,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/46d8022f1/88cb7178e70e403496b1238770387ce4 [2023-11-19 08:05:06,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:06,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:06,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:06,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:06,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:06,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:06" (1/1) ... [2023-11-19 08:05:06,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b470e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:06, skipping insertion in model container [2023-11-19 08:05:06,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:06" (1/1) ... [2023-11-19 08:05:06,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:07,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:07,128 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 08:05:07,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68e07990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:07, skipping insertion in model container [2023-11-19 08:05:07,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:07,130 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 08:05:07,132 INFO L158 Benchmark]: Toolchain (without parser) took 365.02ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 113.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,133 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:07,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.24ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 113.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:07,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 97.9MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.24ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 113.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:09,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:10,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 08:05:10,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:10,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:10,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:10,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:10,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:10,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:10,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:10,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:10,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:10,101 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:10,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:10,104 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:10,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:10,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:10,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:10,106 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 08:05:10,107 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 08:05:10,107 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 08:05:10,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:10,108 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:05:10,109 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:05:10,109 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:05:10,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:05:10,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:10,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:10,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:10,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:10,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:10,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:10,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:10,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:10,115 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:05:10,116 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:05:10,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:10,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:10,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:10,118 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:05:10,118 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:10,119 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_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-19 08:05:10,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:10,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:10,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:10,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:10,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:10,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 08:05:13,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:14,281 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:14,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-19 08:05:14,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/1d0bf91de/61fc8fb5f2894ccb98e1e3428ba90ba6/FLAGb88b8b00a [2023-11-19 08:05:14,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/data/1d0bf91de/61fc8fb5f2894ccb98e1e3428ba90ba6 [2023-11-19 08:05:14,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:14,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:14,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:14,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:14,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:14,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12256e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14, skipping insertion in model container [2023-11-19 08:05:14,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:14,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:14,635 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 08:05:14,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:14,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:14,681 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:14,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:14,763 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:14,764 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:05:14,777 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:14,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14 WrapperNode [2023-11-19 08:05:14,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:14,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:14,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:14,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:14,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,856 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 392 [2023-11-19 08:05:14,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:14,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:14,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:14,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:14,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,919 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:14,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:14,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:14,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:14,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (1/1) ... [2023-11-19 08:05:14,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:15,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:15,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:05:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:05:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:05:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:05:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:05:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:05:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 08:05:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 08:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 08:05:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 08:05:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 08:05:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 08:05:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 08:05:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 08:05:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:05:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:05:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:05:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:05:15,086 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 08:05:15,260 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:15,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:16,148 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:16,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:16,490 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 08:05:16,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:16 BoogieIcfgContainer [2023-11-19 08:05:16,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:16,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:16,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:16,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:16,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:14" (1/3) ... [2023-11-19 08:05:16,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f145953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:16, skipping insertion in model container [2023-11-19 08:05:16,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:14" (2/3) ... [2023-11-19 08:05:16,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f145953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:16, skipping insertion in model container [2023-11-19 08:05:16,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:16" (3/3) ... [2023-11-19 08:05:16,515 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-19 08:05:16,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:16,538 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-19 08:05:16,538 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:05:16,794 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-19 08:05:16,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 363 transitions, 792 flow [2023-11-19 08:05:17,093 INFO L124 PetriNetUnfolderBase]: 21/313 cut-off events. [2023-11-19 08:05:17,094 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 08:05:17,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 313 events. 21/313 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 505 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 259. Up to 3 conditions per place. [2023-11-19 08:05:17,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 359 places, 363 transitions, 792 flow [2023-11-19 08:05:17,121 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 306 places, 308 transitions, 664 flow [2023-11-19 08:05:17,126 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:05:17,143 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 306 places, 308 transitions, 664 flow [2023-11-19 08:05:17,147 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 306 places, 308 transitions, 664 flow [2023-11-19 08:05:17,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 306 places, 308 transitions, 664 flow [2023-11-19 08:05:17,245 INFO L124 PetriNetUnfolderBase]: 21/308 cut-off events. [2023-11-19 08:05:17,245 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-19 08:05:17,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 308 events. 21/308 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 504 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 259. Up to 3 conditions per place. [2023-11-19 08:05:17,263 INFO L119 LiptonReduction]: Number of co-enabled transitions 15604 [2023-11-19 08:05:51,210 INFO L134 LiptonReduction]: Checked pairs total: 58191 [2023-11-19 08:05:51,211 INFO L136 LiptonReduction]: Total number of compositions: 284 [2023-11-19 08:05:51,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:51,236 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;@413e7e24, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:51,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2023-11-19 08:05:51,239 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:05:51,240 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-11-19 08:05:51,240 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:05:51,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:05:51,241 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-19 08:05:51,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 67 more)] === [2023-11-19 08:05:51,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash 53671, now seen corresponding path program 1 times [2023-11-19 08:05:51,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:05:51,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1964756707] [2023-11-19 08:05:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:51,262 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 08:05:51,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:05:51,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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 08:05:51,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0678dd2-d0c4-4b92-92b7-47d51ee5f202/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 08:05:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:51,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:05:51,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:51,520 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 7 [2023-11-19 08:05:51,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:51,563 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 08:05:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:51,575 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 08:05:51,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:51,588 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 08:05:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:51,603 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 08:05:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 08:05:51,614 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 08:05:51,622 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 08:05:51,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:05:51,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:05:51,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1964756707] [2023-11-19 08:05:51,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1964756707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:51,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:51,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 08:05:51,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872131314] [2023-11-19 08:05:51,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:51,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:05:51,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:05:51,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:05:51,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:05:51,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 651 [2023-11-19 08:05:51,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 100 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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 08:05:51,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:05:51,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 651 [2023-11-19 08:05:51,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand