./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b 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_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:28:11,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:28:11,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:28:11,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:28:11,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:28:11,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:28:11,865 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:28:11,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:28:11,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:28:11,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:28:11,868 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:28:11,869 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:28:11,869 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:28:11,870 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:28:11,871 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:28:11,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:28:11,872 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:28:11,872 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:28:11,873 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:28:11,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:28:11,874 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:28:11,878 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:28:11,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:28:11,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:28:11,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:28:11,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:28:11,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:28:11,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:28:11,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:28:11,882 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:28:11,883 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:28:11,884 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:28:11,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:28:11,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:28:11,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:28:11,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:28:11,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:28:11,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:28:11,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:28:11,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:28:11,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:28:11,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:28:11,887 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:28:11,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:28:11,888 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:28:11,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:28:11,888 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_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 [2023-11-06 20:28:12,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:28:12,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:28:12,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:28:12,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:28:12,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:28:12,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-06 20:28:15,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:28:15,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:28:15,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-06 20:28:15,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/7ee91039e/face73430af345bb986f74f8e186fac2/FLAG62bc7793f [2023-11-06 20:28:16,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/7ee91039e/face73430af345bb986f74f8e186fac2 [2023-11-06 20:28:16,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:28:16,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:28:16,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:16,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:28:16,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:28:16,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:16" (1/1) ... [2023-11-06 20:28:16,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff4a403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:16, skipping insertion in model container [2023-11-06 20:28:16,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:16" (1/1) ... [2023-11-06 20:28:16,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:28:16,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:16,376 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 20:28:16,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a098d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:16, skipping insertion in model container [2023-11-06 20:28:16,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:16,377 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:28:16,379 INFO L158 Benchmark]: Toolchain (without parser) took 360.08ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:28:16,380 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:28:16,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.56ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:28:16,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.56ms. Allocated memory is still 151.0MB. Free memory was 106.9MB in the beginning and 96.4MB 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: 118]: 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_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:28:19,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:28:19,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:28:19,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:28:19,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:28:19,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:28:19,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:28:19,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:28:19,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:28:19,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:28:19,773 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:28:19,774 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:28:19,775 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:28:19,776 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:28:19,776 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:28:19,777 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:28:19,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:28:19,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:28:19,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:28:19,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:28:19,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:28:19,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:28:19,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:28:19,795 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:28:19,796 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:28:19,797 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:28:19,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:28:19,798 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:28:19,798 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:28:19,799 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:28:19,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:28:19,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:28:19,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:28:19,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:28:19,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:28:19,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:28:19,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:28:19,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:28:19,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:28:19,805 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:28:19,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:28:19,806 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:28:19,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:28:19,807 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_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79c2a620eba99d5ba65b548a8599a4feb45877b2c0c8388713c23f9a60bea18 [2023-11-06 20:28:20,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:28:20,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:28:20,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:28:20,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:28:20,349 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:28:20,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-06 20:28:24,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:28:24,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:28:24,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2023-11-06 20:28:24,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/f568e2675/85ff2aca01c1485499c4084a314a883a/FLAG0e0e9d1fa [2023-11-06 20:28:24,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/data/f568e2675/85ff2aca01c1485499c4084a314a883a [2023-11-06 20:28:24,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:28:24,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:28:24,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:24,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:28:24,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:28:24,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:24" (1/1) ... [2023-11-06 20:28:24,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a4f69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:24, skipping insertion in model container [2023-11-06 20:28:24,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:28:24" (1/1) ... [2023-11-06 20:28:24,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:28:24,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:24,901 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:28:24,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:28:24,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:24,956 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:28:25,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:28:25,027 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:28:25,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25 WrapperNode [2023-11-06 20:28:25,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:28:25,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:28:25,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:28:25,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:28:25,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,145 INFO L138 Inliner]: procedures = 29, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 420 [2023-11-06 20:28:25,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:28:25,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:28:25,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:28:25,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:28:25,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:28:25,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:28:25,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:28:25,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:28:25,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (1/1) ... [2023-11-06 20:28:25,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:28:25,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:28:25,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:28:25,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a37d599d-abc3-4a23-909b-3821adab1cad/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:28:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:28:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 20:28:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:28:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:28:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:28:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:28:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:28:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:28:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:28:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:28:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:28:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:28:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:28:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:28:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 20:28:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:28:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:28:25,392 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 20:28:25,680 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:28:25,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:28:26,964 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:28:26,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:28:26,980 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 20:28:26,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:26 BoogieIcfgContainer [2023-11-06 20:28:26,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:28:27,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:28:27,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:28:27,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:28:27,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:28:24" (1/3) ... [2023-11-06 20:28:27,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a95de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:27, skipping insertion in model container [2023-11-06 20:28:27,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:28:25" (2/3) ... [2023-11-06 20:28:27,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a95de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:27, skipping insertion in model container [2023-11-06 20:28:27,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:26" (3/3) ... [2023-11-06 20:28:27,032 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2023-11-06 20:28:27,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:28:27,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-06 20:28:27,055 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:28:27,228 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:28:27,278 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:28:27,294 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 582 places, 613 transitions, 1247 flow [2023-11-06 20:28:27,297 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 582 places, 613 transitions, 1247 flow [2023-11-06 20:28:27,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 582 places, 613 transitions, 1247 flow [2023-11-06 20:28:27,700 INFO L124 PetriNetUnfolderBase]: 41/610 cut-off events. [2023-11-06 20:28:27,700 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:28:27,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 610 events. 41/610 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1043 event pairs, 0 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 505. Up to 2 conditions per place. [2023-11-06 20:28:27,747 INFO L119 LiptonReduction]: Number of co-enabled transitions 32370