./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:20,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:20,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 04:13:20,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:20,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:20,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:20,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:20,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:20,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:20,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:20,638 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:20,639 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:20,639 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:20,640 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:20,642 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:20,643 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:20,643 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:20,644 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:20,645 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:20,645 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:20,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:20,647 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:20,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:13:20,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:13:20,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:20,650 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:20,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:20,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:20,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:20,652 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:13:20,653 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:13:20,654 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:13:20,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:20,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:13:20,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:13:20,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:20,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:20,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:20,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:20,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:20,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:20,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:20,657 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:20,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:20,658 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:20,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:20,659 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_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 [2023-11-19 04:13:20,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:21,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:21,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:21,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:21,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:21,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-11-19 04:13:24,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:24,443 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:24,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-11-19 04:13:24,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/31f1baab1/0afe095d9dc249dcbe71891b23938525/FLAG450f545f8 [2023-11-19 04:13:24,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/31f1baab1/0afe095d9dc249dcbe71891b23938525 [2023-11-19 04:13:24,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:24,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:24,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:24,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:24,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:24,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:24" (1/1) ... [2023-11-19 04:13:24,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f09d45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:24, skipping insertion in model container [2023-11-19 04:13:24,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:24" (1/1) ... [2023-11-19 04:13:24,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:24,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:24,775 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) [2023-11-19 04:13:24,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72f151f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:24, skipping insertion in model container [2023-11-19 04:13:24,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:24,776 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:13:24,778 INFO L158 Benchmark]: Toolchain (without parser) took 295.24ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 89.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:13:24,779 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:24,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.69ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 89.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:13:24,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.69ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 89.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 100]: 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_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --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 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:27,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:27,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 04:13:27,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:27,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:27,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:27,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:27,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:27,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:27,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:27,640 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:27,641 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:27,641 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:27,643 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:27,644 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:27,644 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:27,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:13:27,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:13:27,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:27,648 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:27,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:27,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:27,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:27,650 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:13:27,651 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:13:27,651 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:13:27,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:27,652 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:13:27,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:13:27,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:13:27,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:13:27,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:27,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:27,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:27,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:13:27,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:27,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:27,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:27,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:27,659 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:13:27,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:27,660 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:27,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:27,660 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_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 [2023-11-19 04:13:28,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:28,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:28,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:28,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:28,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:28,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-11-19 04:13:31,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:31,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:31,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-11-19 04:13:31,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/7d27c8f20/736b854fcb5c4ba5a37c596839a7db78/FLAG1686f9ff2 [2023-11-19 04:13:31,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/data/7d27c8f20/736b854fcb5c4ba5a37c596839a7db78 [2023-11-19 04:13:31,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:31,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:31,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:31,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:31,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:31,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:31" (1/1) ... [2023-11-19 04:13:31,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4101e5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:31, skipping insertion in model container [2023-11-19 04:13:31,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:31" (1/1) ... [2023-11-19 04:13:31,685 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:31,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:31,973 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:13:31,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:32,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:32,026 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:32,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:32,108 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:32,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32 WrapperNode [2023-11-19 04:13:32,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:32,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:32,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:32,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:32,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,208 INFO L138 Inliner]: procedures = 28, calls = 46, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 276 [2023-11-19 04:13:32,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:32,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:32,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:32,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:32,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:32,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:32,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:32,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:32,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (1/1) ... [2023-11-19 04:13:32,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:32,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:32,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:32,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd13952-68aa-4eab-926f-2f9683026e7e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:13:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:13:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:13:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:13:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:13:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:13:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:13:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:13:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:13:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:13:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:13:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:13:32,448 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:13:32,624 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:32,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:33,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:33,513 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:33,513 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 04:13:33,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:33 BoogieIcfgContainer [2023-11-19 04:13:33,520 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:33,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:33,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:33,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:33,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:31" (1/3) ... [2023-11-19 04:13:33,527 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3bc266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:33, skipping insertion in model container [2023-11-19 04:13:33,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:32" (2/3) ... [2023-11-19 04:13:33,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3bc266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:33, skipping insertion in model container [2023-11-19 04:13:33,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:33" (3/3) ... [2023-11-19 04:13:33,530 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2023-11-19 04:13:33,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:33,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 04:13:33,551 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:13:33,743 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 04:13:33,803 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:13:33,829 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 405 transitions, 831 flow [2023-11-19 04:13:33,831 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 405 transitions, 831 flow [2023-11-19 04:13:33,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 386 places, 405 transitions, 831 flow [2023-11-19 04:13:34,090 INFO L124 PetriNetUnfolderBase]: 29/402 cut-off events. [2023-11-19 04:13:34,090 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 04:13:34,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 402 events. 29/402 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 675 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 257. Up to 2 conditions per place. [2023-11-19 04:13:34,121 INFO L119 LiptonReduction]: Number of co-enabled transitions 22446