./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:32:27,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:32:27,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 20:32:27,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:32:27,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:32:27,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:32:27,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:32:27,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:32:27,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:32:27,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:32:27,722 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:32:27,722 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:32:27,723 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:32:27,723 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 20:32:27,724 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:32:27,724 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:32:27,725 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 20:32:27,725 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 20:32:27,726 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:32:27,726 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 20:32:27,727 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 20:32:27,730 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 20:32:27,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:32:27,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:32:27,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:32:27,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:32:27,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:32:27,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:32:27,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:32:27,733 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:32:27,733 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:32:27,734 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:32:27,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:32:27,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:32:27,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:32:27,735 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:32:27,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:32:27,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:32:27,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:32:27,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:32:27,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:32:27,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:32:27,739 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 20:32:27,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 20:32:27,740 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:32:27,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:32:27,741 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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2023-11-06 20:32:28,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:32:28,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:32:28,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:32:28,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:32:28,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:32:28,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-06 20:32:31,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:32:31,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:32:31,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-06 20:32:31,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/23c60c678/442c4bb8ed234225b414e22c14a9de8c/FLAG5e8290d8b [2023-11-06 20:32:31,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/23c60c678/442c4bb8ed234225b414e22c14a9de8c [2023-11-06 20:32:31,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:32:31,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:32:31,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:32:31,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:32:31,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:32:31,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:32:31" (1/1) ... [2023-11-06 20:32:31,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5fc5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:31, skipping insertion in model container [2023-11-06 20:32:31,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:32:31" (1/1) ... [2023-11-06 20:32:31,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:32:31,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:32:31,905 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 20:32:31,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21077638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:31, skipping insertion in model container [2023-11-06 20:32:31,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:32:31,907 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-06 20:32:31,909 INFO L158 Benchmark]: Toolchain (without parser) took 317.22ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 96.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:32:31,909 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 20:32:31,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 96.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 20:32:31,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 151.0MB. Free memory was 105.9MB in the beginning and 96.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 113]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 20:32:34,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 20:32:34,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 20:32:34,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 20:32:34,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 20:32:34,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 20:32:34,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 20:32:34,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 20:32:34,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 20:32:34,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 20:32:34,752 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 20:32:34,752 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 20:32:34,752 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 20:32:34,754 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 20:32:34,755 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 20:32:34,755 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 20:32:34,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 20:32:34,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 20:32:34,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 20:32:34,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 20:32:34,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 20:32:34,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 20:32:34,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 20:32:34,760 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 20:32:34,760 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 20:32:34,761 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 20:32:34,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 20:32:34,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 20:32:34,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 20:32:34,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 20:32:34,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 20:32:34,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 20:32:34,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 20:32:34,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 20:32:34,765 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 20:32:34,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 20:32:34,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:32:34,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 20:32:34,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 20:32:34,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 20:32:34,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 20:32:34,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 20:32:34,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 20:32:34,767 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_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2023-11-06 20:32:35,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 20:32:35,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 20:32:35,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 20:32:35,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 20:32:35,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 20:32:35,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-06 20:32:38,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 20:32:38,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 20:32:38,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-06 20:32:38,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/dd6a31615/a703e54951b54709a36b1a9986ff1801/FLAG21b6bdfb6 [2023-11-06 20:32:38,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/data/dd6a31615/a703e54951b54709a36b1a9986ff1801 [2023-11-06 20:32:38,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 20:32:38,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 20:32:38,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 20:32:38,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 20:32:38,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 20:32:38,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:32:38" (1/1) ... [2023-11-06 20:32:38,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2a7fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:38, skipping insertion in model container [2023-11-06 20:32:38,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:32:38" (1/1) ... [2023-11-06 20:32:38,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:32:39,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:32:39,083 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 20:32:39,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 20:32:39,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:32:39,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 20:32:39,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 20:32:39,210 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:32:39,210 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 20:32:39,218 INFO L206 MainTranslator]: Completed translation [2023-11-06 20:32:39,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39 WrapperNode [2023-11-06 20:32:39,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 20:32:39,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 20:32:39,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 20:32:39,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 20:32:39,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,313 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 202 [2023-11-06 20:32:39,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 20:32:39,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 20:32:39,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 20:32:39,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 20:32:39,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 20:32:39,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 20:32:39,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 20:32:39,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 20:32:39,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (1/1) ... [2023-11-06 20:32:39,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 20:32:39,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 20:32:39,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 20:32:39,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2ed3e7-b088-43f2-9830-fb72d3a0dbfe/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 20:32:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 20:32:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 20:32:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 20:32:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 20:32:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 20:32:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 20:32:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 20:32:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 20:32:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 20:32:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 20:32:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 20:32:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 20:32:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 20:32:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 20:32:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 20:32:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 20:32:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 20:32:39,490 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 20:32:39,685 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 20:32:39,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 20:32:40,345 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 20:32:40,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 20:32:40,629 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 20:32:40,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:32:40 BoogieIcfgContainer [2023-11-06 20:32:40,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 20:32:40,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 20:32:40,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 20:32:40,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 20:32:40,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:32:38" (1/3) ... [2023-11-06 20:32:40,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2981cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:32:40, skipping insertion in model container [2023-11-06 20:32:40,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:32:39" (2/3) ... [2023-11-06 20:32:40,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2981cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:32:40, skipping insertion in model container [2023-11-06 20:32:40,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:32:40" (3/3) ... [2023-11-06 20:32:40,642 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-06 20:32:40,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 20:32:40,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-06 20:32:40,664 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 20:32:40,792 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 20:32:40,845 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-06 20:32:40,875 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 181 places, 183 transitions, 387 flow [2023-11-06 20:32:40,880 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 181 places, 183 transitions, 387 flow [2023-11-06 20:32:40,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 183 transitions, 387 flow [2023-11-06 20:32:40,987 INFO L124 PetriNetUnfolderBase]: 12/180 cut-off events. [2023-11-06 20:32:40,987 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 20:32:40,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 180 events. 12/180 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 204 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2023-11-06 20:32:40,997 INFO L119 LiptonReduction]: Number of co-enabled transitions 2688