./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 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_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:41,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:41,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:54:41,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:41,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:41,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:41,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:41,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:41,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:41,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:41,127 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:41,127 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:41,128 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:41,128 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:41,129 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:41,130 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:41,130 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:41,131 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:41,132 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:41,132 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:41,133 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:41,134 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:41,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:54:41,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:54:41,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:41,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:41,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:41,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:41,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:41,138 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:54:41,139 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:54:41,139 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:54:41,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:41,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:41,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:41,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:41,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:41,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:41,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:41,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:41,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:41,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:41,143 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:41,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:41,143 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:41,143 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:41,144 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2023-11-12 00:54:41,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:41,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:41,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:41,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:41,444 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:41,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-12 00:54:44,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:44,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:44,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-12 00:54:44,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/cc6895b22/746fee6305e4466683cc77106b612bb3/FLAG23f028c69 [2023-11-12 00:54:44,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/cc6895b22/746fee6305e4466683cc77106b612bb3 [2023-11-12 00:54:44,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:44,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:44,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:44,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:44,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:44,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:44" (1/1) ... [2023-11-12 00:54:44,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e8d7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:44, skipping insertion in model container [2023-11-12 00:54:44,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:44" (1/1) ... [2023-11-12 00:54:44,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:45,031 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:45,051 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) [2023-11-12 00:54:45,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51163744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:45, skipping insertion in model container [2023-11-12 00:54:45,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:45,052 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:54:45,054 INFO L158 Benchmark]: Toolchain (without parser) took 330.46ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 108.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:45,055 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:54:45,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.92ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 108.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:54:45,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.92ms. Allocated memory is still 163.6MB. Free memory was 118.8MB in the beginning and 108.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 112]: 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_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:47,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:47,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:54:47,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:47,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:47,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:47,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:47,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:47,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:47,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:47,743 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:47,744 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:47,744 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:47,746 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:47,746 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:47,747 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:47,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:54:47,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:54:47,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:47,750 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:54:47,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:47,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:54:47,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:47,751 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:54:47,752 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:54:47,752 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:54:47,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:47,753 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:54:47,754 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:54:47,754 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:54:47,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:54:47,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:54:47,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:47,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:47,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:54:47,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:47,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:47,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:47,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:47,759 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:54:47,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:54:47,760 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:47,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:47,760 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> faddac23864cc4e42f962ac43a8d0f59593853dbb1d55e3baabe0c76b2187dd4 [2023-11-12 00:54:48,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:48,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:48,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:48,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:48,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:48,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-12 00:54:51,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:51,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:51,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2023-11-12 00:54:51,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/b12816dbf/b92b7bc01aed4a96b48caecedb13369b/FLAG417f1f475 [2023-11-12 00:54:51,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/data/b12816dbf/b92b7bc01aed4a96b48caecedb13369b [2023-11-12 00:54:51,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:51,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:51,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:51,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:51,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:51,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:51" (1/1) ... [2023-11-12 00:54:51,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479d87d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:51, skipping insertion in model container [2023-11-12 00:54:51,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:51" (1/1) ... [2023-11-12 00:54:51,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:51,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:52,021 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:54:52,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:54:52,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:52,083 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:54:52,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:54:52,153 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:54:52,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52 WrapperNode [2023-11-12 00:54:52,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:52,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:52,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:54:52,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:54:52,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,240 INFO L138 Inliner]: procedures = 25, calls = 42, calls flagged for inlining = 18, calls inlined = 32, statements flattened = 273 [2023-11-12 00:54:52,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:54:52,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:54:52,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:54:52,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:54:52,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:54:52,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:54:52,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:54:52,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:54:52,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (1/1) ... [2023-11-12 00:54:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:52,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:54:52,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:54:52,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f84ec7-ef31-474c-8558-1c9b52d24052/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:54:52,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:54:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 00:54:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 00:54:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 00:54:52,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 00:54:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:54:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:54:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:54:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:54:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:54:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:54:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:54:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:54:52,402 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:54:52,541 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:54:52,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:54:53,422 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:54:53,433 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:54:53,433 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:54:53,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:53 BoogieIcfgContainer [2023-11-12 00:54:53,436 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:54:53,438 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:54:53,438 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:54:53,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:54:53,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:51" (1/3) ... [2023-11-12 00:54:53,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d539015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:53, skipping insertion in model container [2023-11-12 00:54:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:52" (2/3) ... [2023-11-12 00:54:53,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d539015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:54:53, skipping insertion in model container [2023-11-12 00:54:53,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:54:53" (3/3) ... [2023-11-12 00:54:53,444 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-11-12 00:54:53,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:54:53,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-11-12 00:54:53,464 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:54:53,623 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 00:54:53,664 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:54:53,678 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 416 transitions, 846 flow [2023-11-12 00:54:53,681 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 416 transitions, 846 flow [2023-11-12 00:54:53,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 416 transitions, 846 flow [2023-11-12 00:54:53,874 INFO L124 PetriNetUnfolderBase]: 28/414 cut-off events. [2023-11-12 00:54:53,875 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 00:54:53,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 414 events. 28/414 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1027 event pairs, 0 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 281. Up to 2 conditions per place. [2023-11-12 00:54:53,915 INFO L119 LiptonReduction]: Number of co-enabled transitions 41496