./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-word-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_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/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_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/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_db9ad547-4541-4df5-8055-46f2b79c01df/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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:57:31,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:57:32,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:57:32,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:57:32,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:57:32,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:57:32,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:57:32,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:57:32,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:57:32,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:57:32,137 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:57:32,138 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:57:32,139 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:57:32,140 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:57:32,141 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:57:32,141 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:57:32,142 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:57:32,144 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:57:32,144 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:57:32,145 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:57:32,145 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:57:32,146 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:57:32,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:57:32,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:57:32,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:57:32,149 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:57:32,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:57:32,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:57:32,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:57:32,151 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:57:32,152 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:57:32,152 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:57:32,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:57:32,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:57:32,153 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:57:32,154 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:57:32,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:57:32,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:57:32,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:57:32,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:57:32,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:57:32,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:57:32,156 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:57:32,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:57:32,157 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:57:32,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:57:32,158 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_db9ad547-4541-4df5-8055-46f2b79c01df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2023-11-06 20:57:32,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:57:32,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:57:32,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:57:32,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:57:32,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:57:32,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2023-11-06 20:57:35,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:57:35,779 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:57:35,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2023-11-06 20:57:35,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/fa505ff36/8220c35380d4433aa911d1ca72dca0e4/FLAGd9e8dfcfd [2023-11-06 20:57:36,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/fa505ff36/8220c35380d4433aa911d1ca72dca0e4 [2023-11-06 20:57:36,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:57:36,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:57:36,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:57:36,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:57:36,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:57:36,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:57:36" (1/1) ... [2023-11-06 20:57:36,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac690c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:36, skipping insertion in model container [2023-11-06 20:57:36,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:57:36" (1/1) ... [2023-11-06 20:57:36,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:57:36,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:57:36,364 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 20:57:36,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ba285b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:36, skipping insertion in model container [2023-11-06 20:57:36,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:57:36,365 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:57:36,367 INFO L158 Benchmark]: Toolchain (without parser) took 233.57ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 92.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 20:57:36,368 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 148.9MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:57:36,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.06ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 92.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 20:57:36,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 148.9MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.06ms. Allocated memory is still 148.9MB. Free memory was 102.8MB in the beginning and 92.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 138]: 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_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/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_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/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_db9ad547-4541-4df5-8055-46f2b79c01df/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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:57:38,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:57:38,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:57:38,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:57:38,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:57:38,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:57:38,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:57:38,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:57:38,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:57:38,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:57:38,973 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:57:38,973 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:57:38,974 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:57:38,974 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:57:38,975 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:57:38,976 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:57:38,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:57:38,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:57:38,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:57:38,978 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:57:38,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:57:38,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:57:38,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:57:38,985 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:57:38,986 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:57:38,987 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:57:38,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:57:38,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:57:38,988 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:57:38,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:57:38,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:57:38,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:57:38,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:57:38,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:57:38,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:57:38,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:57:38,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:57:38,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:57:38,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:57:38,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:57:38,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:57:38,993 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:57:38,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:57:38,994 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_db9ad547-4541-4df5-8055-46f2b79c01df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2023-11-06 20:57:39,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:57:39,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:57:39,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:57:39,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:57:39,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:57:39,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2023-11-06 20:57:42,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:57:42,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:57:42,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2023-11-06 20:57:42,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/12af68f9e/117722e2583d4bf382c29bfddba0238e/FLAG2816885dd [2023-11-06 20:57:42,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/data/12af68f9e/117722e2583d4bf382c29bfddba0238e [2023-11-06 20:57:42,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:57:42,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:57:42,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:57:42,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:57:42,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:57:42,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:57:42" (1/1) ... [2023-11-06 20:57:42,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cecf71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:42, skipping insertion in model container [2023-11-06 20:57:42,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:57:42" (1/1) ... [2023-11-06 20:57:42,885 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:57:43,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:57:43,136 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:57:43,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:57:43,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:57:43,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:57:43,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:57:43,226 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:57:43,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43 WrapperNode [2023-11-06 20:57:43,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:57:43,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:57:43,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:57:43,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:57:43,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,291 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 180 [2023-11-06 20:57:43,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:57:43,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:57:43,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:57:43,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:57:43,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:57:43,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:57:43,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:57:43,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:57:43,342 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (1/1) ... [2023-11-06 20:57:43,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:57:43,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:57:43,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:57:43,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9ad547-4541-4df5-8055-46f2b79c01df/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:57:43,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:57:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:57:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:57:43,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:57:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:57:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:57:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:57:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:57:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:57:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:57:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:57:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:57:43,458 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 20:57:43,639 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:57:43,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:57:44,678 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:57:44,690 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:57:44,691 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 20:57:44,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:57:44 BoogieIcfgContainer [2023-11-06 20:57:44,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:57:44,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:57:44,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:57:44,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:57:44,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:57:42" (1/3) ... [2023-11-06 20:57:44,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2138a0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:57:44, skipping insertion in model container [2023-11-06 20:57:44,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:57:43" (2/3) ... [2023-11-06 20:57:44,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2138a0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:57:44, skipping insertion in model container [2023-11-06 20:57:44,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:57:44" (3/3) ... [2023-11-06 20:57:44,703 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2023-11-06 20:57:44,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:57:44,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-06 20:57:44,724 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:57:44,879 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:57:44,933 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:57:44,952 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 361 transitions, 743 flow [2023-11-06 20:57:44,961 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 361 transitions, 743 flow [2023-11-06 20:57:44,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 342 places, 361 transitions, 743 flow [2023-11-06 20:57:45,155 INFO L124 PetriNetUnfolderBase]: 29/358 cut-off events. [2023-11-06 20:57:45,156 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:57:45,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 358 events. 29/358 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 647 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 271. Up to 3 conditions per place. [2023-11-06 20:57:45,180 INFO L119 LiptonReduction]: Number of co-enabled transitions 13338