./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:37,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:37,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 04:47:37,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:37,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:37,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:37,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:37,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:37,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:37,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:37,711 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:37,712 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:37,713 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:37,713 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:37,714 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:37,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:37,715 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:37,716 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:37,717 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:37,717 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:37,718 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:37,719 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:37,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:47:37,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:47:37,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:37,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:37,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:37,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:37,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:37,724 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:47:37,724 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:47:37,725 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:47:37,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:37,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:37,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:47:37,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:37,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:37,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:37,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:37,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:37,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:37,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:37,730 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:37,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:37,731 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:37,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:37,732 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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2023-11-19 04:47:38,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:38,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:38,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:38,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:38,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:38,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-19 04:47:41,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:41,786 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:41,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-19 04:47:41,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/b45b5b5bd/4e1f550cf6b449c2bc6e201447b216e7/FLAG6fec31427 [2023-11-19 04:47:41,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/b45b5b5bd/4e1f550cf6b449c2bc6e201447b216e7 [2023-11-19 04:47:41,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:41,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:41,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:41,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:41,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:41,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:41" (1/1) ... [2023-11-19 04:47:41,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4907b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:41, skipping insertion in model container [2023-11-19 04:47:41,855 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:41" (1/1) ... [2023-11-19 04:47:41,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:42,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:42,249 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 04:47:42,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7345c1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:42, skipping insertion in model container [2023-11-19 04:47:42,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:42,251 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:47:42,253 INFO L158 Benchmark]: Toolchain (without parser) took 408.98ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 114.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:47:42,254 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 174.1MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:42,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.24ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 114.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:47:42,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 174.1MB. Free memory is still 146.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.24ms. Allocated memory is still 174.1MB. Free memory was 124.9MB in the beginning and 114.8MB 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: 115]: 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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:44,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:44,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-19 04:47:45,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:45,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:45,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:45,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:45,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:45,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:45,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:45,062 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:45,062 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:45,063 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:45,065 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:45,065 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:45,066 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:45,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:47:45,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:47:45,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:45,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:45,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:45,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:45,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:45,072 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:47:45,073 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:47:45,073 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:47:45,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:45,074 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:45,075 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:47:45,075 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:47:45,077 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:47:45,077 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:45,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:45,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:45,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:47:45,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:45,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:45,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:45,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:45,081 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:47:45,082 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:45,082 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:45,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:45,083 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_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2023-11-19 04:47:45,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:45,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:45,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:45,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:45,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:45,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-19 04:47:48,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:49,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:49,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-11-19 04:47:49,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/a74ba02f0/70030b0815804b6aaab63dd40d808528/FLAG8aa0fceb5 [2023-11-19 04:47:49,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/data/a74ba02f0/70030b0815804b6aaab63dd40d808528 [2023-11-19 04:47:49,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:49,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:49,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:49,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:49,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:49,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a918110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49, skipping insertion in model container [2023-11-19 04:47:49,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:49,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:49,575 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 04:47:49,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:49,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:49,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:49,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:49,676 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:49,677 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:47:49,684 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:49,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49 WrapperNode [2023-11-19 04:47:49,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:49,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:49,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:49,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:49,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,773 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 283 [2023-11-19 04:47:49,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:49,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:49,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:49,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:49,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:49,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:49,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:49,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:49,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (1/1) ... [2023-11-19 04:47:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:49,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:49,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:49,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:47:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:47:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:47:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:47:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:47:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:47:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:47:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:47:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:47:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:47:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:47:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:47:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:47:49,941 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 04:47:50,111 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:50,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:50,969 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:51,366 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:51,366 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:47:51,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:51 BoogieIcfgContainer [2023-11-19 04:47:51,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:51,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:51,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:51,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:51,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:49" (1/3) ... [2023-11-19 04:47:51,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ae5b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:51, skipping insertion in model container [2023-11-19 04:47:51,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:49" (2/3) ... [2023-11-19 04:47:51,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ae5b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:51, skipping insertion in model container [2023-11-19 04:47:51,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:51" (3/3) ... [2023-11-19 04:47:51,386 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-11-19 04:47:51,408 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:51,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-19 04:47:51,408 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:47:51,546 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-19 04:47:51,595 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:47:51,627 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 235 transitions, 491 flow [2023-11-19 04:47:51,635 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 235 transitions, 491 flow [2023-11-19 04:47:51,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 235 transitions, 491 flow [2023-11-19 04:47:51,801 INFO L124 PetriNetUnfolderBase]: 16/232 cut-off events. [2023-11-19 04:47:51,803 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 04:47:51,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 232 events. 16/232 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 276 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 175. Up to 2 conditions per place. [2023-11-19 04:47:51,816 INFO L119 LiptonReduction]: Number of co-enabled transitions 3570 [2023-11-19 04:48:38,546 INFO L134 LiptonReduction]: Checked pairs total: 5016 [2023-11-19 04:48:38,546 INFO L136 LiptonReduction]: Total number of compositions: 243 [2023-11-19 04:48:38,556 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 61 transitions, 143 flow [2023-11-19 04:48:38,723 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2345 states, 1843 states have (on average 4.500813890396094) internal successors, (8295), 2344 states have internal predecessors, (8295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:48:38,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:48:38,757 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@480f53bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:48:38,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2023-11-19 04:48:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 2345 states, 1843 states have (on average 4.500813890396094) internal successors, (8295), 2344 states have internal predecessors, (8295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:48:38,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:48:38,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:38,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-19 04:48:38,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 42 more)] === [2023-11-19 04:48:38,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash 40732, now seen corresponding path program 1 times [2023-11-19 04:48:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:48:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475797790] [2023-11-19 04:48:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:38,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:38,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:48:38,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:48:38,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61023e71-8c3e-4180-a5f3-d4fb3b81e5f7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:48:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:38,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:48:38,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:48:39,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2023-11-19 04:48:39,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-19 04:48:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-19 04:48:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:48:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:48:39,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-19 04:48:39,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-19 04:48:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:48:39,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2023-11-19 04:48:39,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-11-19 04:48:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 04:48:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:48:39,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1