./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:56:13,198 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:56:13,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:56:13,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:56:13,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:56:13,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:56:13,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:56:13,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:56:13,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:56:13,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:56:13,364 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:56:13,364 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:56:13,365 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:56:13,366 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:56:13,367 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:56:13,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:56:13,368 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:56:13,368 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:56:13,368 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:56:13,369 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:56:13,369 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:56:13,370 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:56:13,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:56:13,371 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:56:13,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:56:13,373 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:56:13,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:56:13,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:56:13,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:56:13,374 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:56:13,376 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:56:13,376 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:56:13,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:56:13,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:56:13,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:56:13,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:56:13,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:56:13,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:56:13,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:56:13,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:13,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:56:13,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:56:13,379 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:56:13,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:56:13,380 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:56:13,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:56:13,380 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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 [2023-11-06 20:56:13,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:56:13,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:56:13,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:56:13,676 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:56:13,676 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:56:13,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-06 20:56:16,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:56:16,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:56:16,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-06 20:56:16,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/1e5ca7ddc/9e3ab0bc7cf54479a1540a680d917fc0/FLAG1f5cc073f [2023-11-06 20:56:16,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/1e5ca7ddc/9e3ab0bc7cf54479a1540a680d917fc0 [2023-11-06 20:56:16,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:56:16,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:56:16,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:16,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:56:16,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:56:16,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:16" (1/1) ... [2023-11-06 20:56:16,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec926a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:16, skipping insertion in model container [2023-11-06 20:56:16,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:16" (1/1) ... [2023-11-06 20:56:17,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:17,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:17,298 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 20:56:17,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25b49fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:17, skipping insertion in model container [2023-11-06 20:56:17,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:17,299 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:56:17,301 INFO L158 Benchmark]: Toolchain (without parser) took 314.25ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 108.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:56:17,302 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:56:17,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.38ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 108.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:56:17,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.38ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 108.1MB 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:56:19,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:56:20,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:56:20,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:56:20,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:56:20,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:56:20,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:56:20,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:56:20,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:56:20,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:56:20,117 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:56:20,118 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:56:20,118 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:56:20,120 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:56:20,121 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:56:20,121 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:56:20,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:56:20,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:56:20,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:56:20,124 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:56:20,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:56:20,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:56:20,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:56:20,126 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:56:20,127 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:56:20,127 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:56:20,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:56:20,128 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:56:20,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:56:20,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:56:20,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:56:20,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:56:20,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:56:20,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:56:20,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:56:20,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:56:20,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:20,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:56:20,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:56:20,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:56:20,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:56:20,134 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:56:20,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:56:20,135 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_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97832baecac12bd55b66fbc3c6c38a25db85e9dc70cfa8f34b5e7a9e59086f06 [2023-11-06 20:56:20,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:56:20,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:56:20,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:56:20,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:56:20,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:56:20,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-06 20:56:23,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:56:24,068 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:56:24,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2023-11-06 20:56:24,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/ac214ed64/64ac4506ac3445fe8d8501d46fc37352/FLAGc738443e2 [2023-11-06 20:56:24,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/data/ac214ed64/64ac4506ac3445fe8d8501d46fc37352 [2023-11-06 20:56:24,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:56:24,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:56:24,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:24,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:56:24,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:56:24,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39286fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24, skipping insertion in model container [2023-11-06 20:56:24,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:24,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:24,356 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:56:24,362 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:56:24,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:24,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:56:24,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:56:24,520 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:56:24,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24 WrapperNode [2023-11-06 20:56:24,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:56:24,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:56:24,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:56:24,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:56:24,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,619 INFO L138 Inliner]: procedures = 29, calls = 67, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 420 [2023-11-06 20:56:24,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:56:24,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:56:24,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:56:24,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:56:24,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:56:24,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:56:24,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:56:24,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:56:24,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (1/1) ... [2023-11-06 20:56:24,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:56:24,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:56:24,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:56:24,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0c76cc-8838-4dbf-8e6e-c30a874bc08b/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:56:24,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:56:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:56:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:56:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:56:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:56:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:56:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:56:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:56:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:56:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 20:56:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:56:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:56:24,795 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 20:56:24,954 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:56:24,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:56:26,281 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:56:26,301 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:56:26,301 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 20:56:26,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:56:26 BoogieIcfgContainer [2023-11-06 20:56:26,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:56:26,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:56:26,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:56:26,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:56:26,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:56:24" (1/3) ... [2023-11-06 20:56:26,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc7e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:56:26, skipping insertion in model container [2023-11-06 20:56:26,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:56:24" (2/3) ... [2023-11-06 20:56:26,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc7e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:56:26, skipping insertion in model container [2023-11-06 20:56:26,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:56:26" (3/3) ... [2023-11-06 20:56:26,322 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2023-11-06 20:56:26,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:56:26,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-06 20:56:26,343 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:56:26,549 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:56:26,608 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:56:26,638 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 582 places, 613 transitions, 1247 flow [2023-11-06 20:56:26,641 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 582 places, 613 transitions, 1247 flow [2023-11-06 20:56:26,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 582 places, 613 transitions, 1247 flow [2023-11-06 20:56:27,030 INFO L124 PetriNetUnfolderBase]: 41/610 cut-off events. [2023-11-06 20:56:27,031 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:56:27,045 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 20:56:27,073 INFO L119 LiptonReduction]: Number of co-enabled transitions 32370