./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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 d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:04:53,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:04:53,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:04:53,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:04:53,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:04:53,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:04:53,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:04:53,618 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:04:53,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:04:53,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:04:53,625 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:04:53,625 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:04:53,626 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:04:53,627 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:04:53,628 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:04:53,628 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:04:53,629 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:04:53,629 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:04:53,630 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:04:53,630 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:04:53,631 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:04:53,631 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:04:53,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:04:53,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:04:53,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:04:53,634 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:04:53,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:04:53,635 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:04:53,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:04:53,636 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:04:53,638 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:04:53,638 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:04:53,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:04:53,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:04:53,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:04:53,639 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:04:53,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:04:53,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:04:53,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:04:53,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:53,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:04:53,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:04:53,642 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:04:53,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:04:53,643 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:04:53,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:04:53,643 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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 [2023-11-06 21:04:53,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:04:53,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:04:53,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:04:53,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:04:53,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:04:53,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-06 21:04:57,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:04:57,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:04:57,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-06 21:04:57,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/a85c3eb50/9c9275559c5c4fa89dbfa3a4bcd906e3/FLAGd95a21d56 [2023-11-06 21:04:57,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/a85c3eb50/9c9275559c5c4fa89dbfa3a4bcd906e3 [2023-11-06 21:04:57,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:04:57,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:04:57,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:57,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:04:57,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:04:57,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:57" (1/1) ... [2023-11-06 21:04:57,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b958c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:57, skipping insertion in model container [2023-11-06 21:04:57,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:57" (1/1) ... [2023-11-06 21:04:57,616 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:04:57,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:57,823 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 21:04:57,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66d22b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:57, skipping insertion in model container [2023-11-06 21:04:57,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:57,825 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 21:04:57,826 INFO L158 Benchmark]: Toolchain (without parser) took 266.61ms. Allocated memory is still 123.7MB. Free memory was 93.2MB in the beginning and 82.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:04:57,827 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:04:57,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.55ms. Allocated memory is still 123.7MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 21:04:57,829 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.55ms. Allocated memory is still 123.7MB. Free memory was 92.9MB in the beginning and 82.8MB in the end (delta: 10.1MB). 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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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 d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:05:00,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:05:00,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:05:00,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:05:00,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:05:00,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:05:00,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:05:00,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:05:00,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:05:00,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:05:00,698 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:05:00,699 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:05:00,699 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:05:00,700 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:05:00,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:05:00,701 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:05:00,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:05:00,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:05:00,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:05:00,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:05:00,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:05:00,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:05:00,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:05:00,706 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:05:00,706 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:05:00,707 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:05:00,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:05:00,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:05:00,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:05:00,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:05:00,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:05:00,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:05:00,710 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:05:00,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:05:00,711 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:05:00,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:05:00,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:00,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:05:00,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:05:00,712 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:05:00,712 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:05:00,713 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:05:00,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:05:00,713 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_1b37cab2-65bc-4b5e-b61c-e82c1570642a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6aa6ef36156b11d9501f41a7beea3c182ea6a120d3ddbfd55ede5953f5f6e32 [2023-11-06 21:05:01,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:05:01,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:05:01,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:05:01,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:05:01,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:05:01,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-06 21:05:04,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:05:04,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:05:04,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2023-11-06 21:05:04,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/1afa03703/026d3aace402477582bc4c4cea8b6b2a/FLAG6786d24c2 [2023-11-06 21:05:04,660 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/data/1afa03703/026d3aace402477582bc4c4cea8b6b2a [2023-11-06 21:05:04,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:05:04,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:05:04,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:04,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:05:04,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:05:04,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:04" (1/1) ... [2023-11-06 21:05:04,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542cfb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:04, skipping insertion in model container [2023-11-06 21:05:04,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:04" (1/1) ... [2023-11-06 21:05:04,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:04,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:04,950 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 21:05:04,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:05:04,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:04,984 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:05:05,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:05:05,034 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:05:05,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05 WrapperNode [2023-11-06 21:05:05,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:05:05,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:05:05,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:05:05,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:05:05,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,114 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 282 [2023-11-06 21:05:05,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:05:05,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:05:05,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:05:05,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:05:05,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:05:05,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:05:05,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:05:05,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:05:05,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (1/1) ... [2023-11-06 21:05:05,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:05:05,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:05:05,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:05:05,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b37cab2-65bc-4b5e-b61c-e82c1570642a/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:05:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:05:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:05:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:05:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:05:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:05:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:05:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:05:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:05:05,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:05:05,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:05:05,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:05:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:05:05,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:05:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:05:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:05:05,305 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 21:05:05,499 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:05:05,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:05:06,398 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:05:06,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:05:06,410 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 21:05:06,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:06 BoogieIcfgContainer [2023-11-06 21:05:06,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:05:06,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:05:06,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:05:06,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:05:06,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:04" (1/3) ... [2023-11-06 21:05:06,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d90fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:06, skipping insertion in model container [2023-11-06 21:05:06,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:05" (2/3) ... [2023-11-06 21:05:06,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d90fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:06, skipping insertion in model container [2023-11-06 21:05:06,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:06" (3/3) ... [2023-11-06 21:05:06,423 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-11-06 21:05:06,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:05:06,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-11-06 21:05:06,444 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:05:06,675 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 21:05:06,736 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 21:05:06,762 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 384 places, 403 transitions, 827 flow [2023-11-06 21:05:06,768 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 384 places, 403 transitions, 827 flow [2023-11-06 21:05:06,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 403 transitions, 827 flow [2023-11-06 21:05:07,047 INFO L124 PetriNetUnfolderBase]: 29/400 cut-off events. [2023-11-06 21:05:07,047 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 21:05:07,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 400 events. 29/400 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 851 event pairs, 0 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 295. Up to 3 conditions per place. [2023-11-06 21:05:07,081 INFO L119 LiptonReduction]: Number of co-enabled transitions 25650