./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:37:35,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:37:35,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:37:35,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:37:35,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:37:35,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:37:35,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:37:35,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:37:35,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:37:35,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:37:35,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:37:35,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:37:35,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:37:35,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:37:35,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:37:35,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:37:35,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:37:35,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:37:35,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:37:35,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:37:35,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:37:35,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:37:35,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:37:35,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:37:35,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:37:35,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:37:35,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:37:35,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:37:35,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:37:35,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:37:35,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:37:35,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:37:35,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:37:35,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:37:35,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:37:35,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:37:35,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:37:35,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:37:35,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:37:35,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:37:35,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:37:35,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:37:35,989 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:37:35,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:37:35,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:37:35,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:37:35,992 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:37:35,992 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:37:35,992 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:37:35,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:37:35,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:37:35,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:37:35,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:37:35,993 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:37:35,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:37:35,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:37:35,994 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:37:35,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:37:35,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:37:35,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:37:35,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:37:35,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:37:35,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:37:35,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:37:35,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:37:35,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:37:35,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:37:35,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:37:35,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:37:35,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:37:35,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:37:35,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:37:36,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:37:36,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:37:36,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:37:36,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:37:36,001 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:37:36,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:37:36,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:37:36,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:37:36,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:37:36,002 INFO L138 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_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 [2021-10-29 05:37:36,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:37:36,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:37:36,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:37:36,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:37:36,343 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:37:36,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-29 05:37:36,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/6d343e5ae/5206d4636b734c579d4d26181ddfece1/FLAG9ed63ad6d [2021-10-29 05:37:37,195 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:37:37,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-29 05:37:37,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/6d343e5ae/5206d4636b734c579d4d26181ddfece1/FLAG9ed63ad6d [2021-10-29 05:37:37,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/6d343e5ae/5206d4636b734c579d4d26181ddfece1 [2021-10-29 05:37:37,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:37:37,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:37:37,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:37:37,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:37:37,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:37:37,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:37:37" (1/1) ... [2021-10-29 05:37:37,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f14fe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:37, skipping insertion in model container [2021-10-29 05:37:37,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:37:37" (1/1) ... [2021-10-29 05:37:37,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:37:37,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:37:37,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2021-10-29 05:37:37,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:37:38,011 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:37:38,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@690f56fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:38, skipping insertion in model container [2021-10-29 05:37:38,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:37:38,013 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:37:38,016 INFO L168 Benchmark]: Toolchain (without parser) took 548.95 ms. Allocated memory is still 155.2 MB. Free memory was 118.9 MB in the beginning and 127.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:37:38,018 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:37:38,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.88 ms. Allocated memory is still 155.2 MB. Free memory was 118.6 MB in the beginning and 127.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:37:38,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 61.8 MB in the beginning and 61.8 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 529.88 ms. Allocated memory is still 155.2 MB. Free memory was 118.6 MB in the beginning and 127.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:37:40,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:37:40,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:37:40,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:37:40,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:37:40,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:37:40,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:37:40,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:37:40,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:37:40,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:37:40,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:37:40,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:37:40,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:37:40,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:37:40,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:37:40,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:37:40,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:37:40,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:37:40,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:37:40,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:37:40,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:37:40,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:37:40,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:37:40,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:37:40,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:37:40,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:37:40,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:37:40,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:37:40,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:37:40,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:37:40,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:37:40,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:37:40,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:37:40,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:37:40,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:37:40,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:37:40,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:37:40,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:37:40,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:37:40,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:37:40,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:37:40,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:37:40,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:37:40,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:37:40,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:37:40,979 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:37:40,979 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:37:40,979 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:37:40,980 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:37:40,980 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:37:40,980 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:37:40,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:37:40,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:37:40,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:37:40,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:37:40,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:37:40,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:37:40,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:37:40,985 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:37:40,986 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:37:40,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:37:40,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:37:40,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:37:40,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:37:40,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:37:40,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:37:40,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:37:40,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:37:40,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:37:40,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:37:40,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:37:40,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:37:40,990 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:37:40,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:37:40,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:37:40,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:37:40,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:37:40,991 INFO L138 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_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d44823aac48cec2911f68e219166f3ac1836e56b97e3a905bce4580d699376f2 [2021-10-29 05:37:41,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:37:41,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:37:41,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:37:41,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:37:41,524 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:37:41,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-29 05:37:41,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/a9c677494/05db6e87353a492fa475842d33e2fc0e/FLAGb13a0f579 [2021-10-29 05:37:42,390 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:37:42,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-29 05:37:42,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/a9c677494/05db6e87353a492fa475842d33e2fc0e/FLAGb13a0f579 [2021-10-29 05:37:42,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/data/a9c677494/05db6e87353a492fa475842d33e2fc0e [2021-10-29 05:37:42,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:37:42,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:37:42,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:37:42,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:37:42,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:37:42,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:37:42" (1/1) ... [2021-10-29 05:37:42,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4741c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:42, skipping insertion in model container [2021-10-29 05:37:42,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:37:42" (1/1) ... [2021-10-29 05:37:42,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:37:42,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:37:43,099 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2021-10-29 05:37:43,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:37:43,253 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:37:43,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:37:43,378 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2021-10-29 05:37:43,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:37:43,454 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:37:43,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[13010,13023] [2021-10-29 05:37:43,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:37:43,573 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:37:43,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43 WrapperNode [2021-10-29 05:37:43,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:37:43,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:37:43,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:37:43,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:37:43,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:37:43,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:37:43,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:37:43,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:37:43,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:37:43,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:37:43,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:37:43,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:37:43,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (1/1) ... [2021-10-29 05:37:43,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:37:43,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:37:43,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:37:43,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:37:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:37:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:37:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:37:43,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:37:46,803 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:37:46,804 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-29 05:37:46,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:37:46 BoogieIcfgContainer [2021-10-29 05:37:46,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:37:46,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:37:46,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:37:46,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:37:46,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:37:42" (1/3) ... [2021-10-29 05:37:46,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f01dfef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:37:46, skipping insertion in model container [2021-10-29 05:37:46,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:37:43" (2/3) ... [2021-10-29 05:37:46,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f01dfef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:37:46, skipping insertion in model container [2021-10-29 05:37:46,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:37:46" (3/3) ... [2021-10-29 05:37:46,820 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2021-10-29 05:37:46,827 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:37:46,828 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:37:46,900 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:37:46,918 INFO L339 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:37:46,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:37:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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) [2021-10-29 05:37:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:37:46,950 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:46,951 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:46,952 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:46,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:46,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2021-10-29 05:37:46,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:46,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304602649] [2021-10-29 05:37:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:46,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:46,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:46,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:37:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:47,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:37:47,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:47,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:47,496 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:47,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304602649] [2021-10-29 05:37:47,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304602649] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:47,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:47,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:37:47,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443769907] [2021-10-29 05:37:47,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:37:47,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:47,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:37:47,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:37:47,536 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-29 05:37:47,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:47,602 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-29 05:37:47,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:37:47,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-10-29 05:37:47,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:47,620 INFO L225 Difference]: With dead ends: 228 [2021-10-29 05:37:47,620 INFO L226 Difference]: Without dead ends: 113 [2021-10-29 05:37:47,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:37:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-29 05:37:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-29 05:37:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 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) [2021-10-29 05:37:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-29 05:37:47,678 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-29 05:37:47,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:47,679 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-29 05:37:47,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-29 05:37:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-29 05:37:47,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:37:47,681 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:47,682 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:47,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:47,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:47,901 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:47,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:47,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2021-10-29 05:37:47,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:47,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159911671] [2021-10-29 05:37:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:47,904 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:47,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:47,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:47,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:37:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:48,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:37:48,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:48,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:48,402 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:48,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159911671] [2021-10-29 05:37:48,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159911671] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:48,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:48,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:37:48,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732524960] [2021-10-29 05:37:48,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:37:48,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:37:48,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:37:48,411 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-29 05:37:48,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:48,445 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-29 05:37:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:37:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) Word has length 17 [2021-10-29 05:37:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:48,450 INFO L225 Difference]: With dead ends: 113 [2021-10-29 05:37:48,450 INFO L226 Difference]: Without dead ends: 47 [2021-10-29 05:37:48,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:37:48,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-29 05:37:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-29 05:37:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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) [2021-10-29 05:37:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-29 05:37:48,470 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-29 05:37:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:48,470 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-29 05:37:48,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2021-10-29 05:37:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-29 05:37:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:37:48,472 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:48,472 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:48,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:48,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:48,675 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:48,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:48,676 INFO L85 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2021-10-29 05:37:48,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:48,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824307312] [2021-10-29 05:37:48,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:48,678 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:48,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:48,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:48,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:37:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:48,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:37:48,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:49,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:49,132 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:49,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824307312] [2021-10-29 05:37:49,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824307312] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:49,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:49,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:37:49,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884607722] [2021-10-29 05:37:49,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:37:49,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:49,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:37:49,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:37:49,141 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-29 05:37:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:49,194 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-29 05:37:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:37:49,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) Word has length 22 [2021-10-29 05:37:49,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:49,202 INFO L225 Difference]: With dead ends: 88 [2021-10-29 05:37:49,202 INFO L226 Difference]: Without dead ends: 47 [2021-10-29 05:37:49,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:37:49,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-29 05:37:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-29 05:37:49,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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) [2021-10-29 05:37:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-29 05:37:49,217 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-29 05:37:49,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:49,217 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-29 05:37:49,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2021-10-29 05:37:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-29 05:37:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:37:49,219 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:49,219 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:49,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:49,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:49,440 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:49,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:49,441 INFO L85 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2021-10-29 05:37:49,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:49,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710847249] [2021-10-29 05:37:49,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:49,442 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:49,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:49,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:49,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:37:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:49,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:37:49,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:49,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:49,913 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:49,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710847249] [2021-10-29 05:37:49,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710847249] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:49,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:49,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:37:49,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731507742] [2021-10-29 05:37:49,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:37:49,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:49,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:37:49,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:37:49,918 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-29 05:37:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:49,989 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-29 05:37:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:37:49,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2021-10-29 05:37:49,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:49,991 INFO L225 Difference]: With dead ends: 109 [2021-10-29 05:37:49,991 INFO L226 Difference]: Without dead ends: 68 [2021-10-29 05:37:49,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:37:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-29 05:37:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-29 05:37:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 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) [2021-10-29 05:37:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-29 05:37:50,011 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-29 05:37:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:50,012 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-29 05:37:50,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-10-29 05:37:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-29 05:37:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:37:50,014 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:50,015 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:50,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:50,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:50,241 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:50,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2021-10-29 05:37:50,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:50,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045621355] [2021-10-29 05:37:50,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:50,243 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:50,244 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:50,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:37:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:50,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:37:50,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:50,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:50,694 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:50,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045621355] [2021-10-29 05:37:50,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045621355] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:50,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:50,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:37:50,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521169914] [2021-10-29 05:37:50,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:37:50,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:50,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:37:50,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:37:50,697 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-10-29 05:37:50,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:50,784 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-29 05:37:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:37:50,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) Word has length 30 [2021-10-29 05:37:50,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:50,787 INFO L225 Difference]: With dead ends: 175 [2021-10-29 05:37:50,787 INFO L226 Difference]: Without dead ends: 115 [2021-10-29 05:37:50,788 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:37:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-29 05:37:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-29 05:37:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 71 states have internal predecessors, (99), 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) [2021-10-29 05:37:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-29 05:37:50,799 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-29 05:37:50,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:50,800 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-29 05:37:50,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2021-10-29 05:37:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-29 05:37:50,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:37:50,802 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:50,802 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:50,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:51,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:51,026 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:51,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:51,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2021-10-29 05:37:51,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:51,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [341631770] [2021-10-29 05:37:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:51,028 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:51,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:51,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:37:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:51,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:37:51,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:51,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:37:51,685 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:51,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [341631770] [2021-10-29 05:37:51,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [341631770] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:51,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:51,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:37:51,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562840915] [2021-10-29 05:37:51,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:37:51,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:51,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:37:51,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:37:51,688 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-10-29 05:37:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:52,068 INFO L93 Difference]: Finished difference Result 536 states and 758 transitions. [2021-10-29 05:37:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:37:52,069 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) Word has length 30 [2021-10-29 05:37:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:52,073 INFO L225 Difference]: With dead ends: 536 [2021-10-29 05:37:52,073 INFO L226 Difference]: Without dead ends: 470 [2021-10-29 05:37:52,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:37:52,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-10-29 05:37:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2021-10-29 05:37:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 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) [2021-10-29 05:37:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-29 05:37:52,125 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2021-10-29 05:37:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:52,125 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-29 05:37:52,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-10-29 05:37:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-29 05:37:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 05:37:52,138 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:52,139 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:52,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:52,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:52,355 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:52,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:52,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2021-10-29 05:37:52,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:52,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795435083] [2021-10-29 05:37:52,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:52,356 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:52,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:52,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:52,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:37:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:52,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:37:52,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:37:52,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:37:53,015 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:53,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795435083] [2021-10-29 05:37:53,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795435083] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:53,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:37:53,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:37:53,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057840880] [2021-10-29 05:37:53,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:37:53,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:53,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:37:53,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:37:53,017 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-10-29 05:37:53,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:53,095 INFO L93 Difference]: Finished difference Result 407 states and 551 transitions. [2021-10-29 05:37:53,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:37:53,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) Word has length 50 [2021-10-29 05:37:53,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:53,098 INFO L225 Difference]: With dead ends: 407 [2021-10-29 05:37:53,098 INFO L226 Difference]: Without dead ends: 240 [2021-10-29 05:37:53,099 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:37:53,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-10-29 05:37:53,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2021-10-29 05:37:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3377483443708609) internal successors, (202), 151 states have internal predecessors, (202), 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) [2021-10-29 05:37:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2021-10-29 05:37:53,143 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2021-10-29 05:37:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:53,144 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2021-10-29 05:37:53,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-10-29 05:37:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2021-10-29 05:37:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 05:37:53,145 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:53,146 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:53,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:53,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:53,362 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:53,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2021-10-29 05:37:53,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:53,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719945240] [2021-10-29 05:37:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:53,364 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:53,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:53,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:37:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:53,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:37:53,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:53,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:54,213 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:54,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719945240] [2021-10-29 05:37:54,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719945240] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:37:54,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [973846217] [2021-10-29 05:37:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:54,215 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:37:54,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:37:54,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:37:54,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-29 05:37:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:54,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:37:54,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:37:54,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:37:55,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [973846217] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:55,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:37:55,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-10-29 05:37:55,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914376738] [2021-10-29 05:37:55,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:37:55,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:55,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:37:55,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:37:55,067 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-10-29 05:37:55,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:55,197 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2021-10-29 05:37:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:37:55,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) Word has length 51 [2021-10-29 05:37:55,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:55,201 INFO L225 Difference]: With dead ends: 514 [2021-10-29 05:37:55,201 INFO L226 Difference]: Without dead ends: 392 [2021-10-29 05:37:55,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:37:55,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-10-29 05:37:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2021-10-29 05:37:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 157 states have internal predecessors, (208), 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) [2021-10-29 05:37:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2021-10-29 05:37:55,230 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2021-10-29 05:37:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:55,231 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2021-10-29 05:37:55,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-10-29 05:37:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2021-10-29 05:37:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 05:37:55,232 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:55,233 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:55,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:55,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:55,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:37:55,649 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:55,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2021-10-29 05:37:55,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:55,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4874825] [2021-10-29 05:37:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:55,651 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:55,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:55,653 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:55,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:37:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:56,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:37:56,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:56,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:56,591 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4874825] [2021-10-29 05:37:56,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4874825] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:37:56,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [34007435] [2021-10-29 05:37:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:56,592 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:37:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:37:56,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:37:56,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-29 05:37:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:57,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:37:57,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:37:57,258 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:37:57,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [34007435] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:37:57,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:37:57,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-10-29 05:37:57,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887894452] [2021-10-29 05:37:57,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:37:57,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:37:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:37:57,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:37:57,383 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-10-29 05:37:57,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:37:57,656 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2021-10-29 05:37:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:37:57,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) Word has length 51 [2021-10-29 05:37:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:37:57,661 INFO L225 Difference]: With dead ends: 414 [2021-10-29 05:37:57,661 INFO L226 Difference]: Without dead ends: 412 [2021-10-29 05:37:57,662 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:37:57,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-10-29 05:37:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2021-10-29 05:37:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 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) [2021-10-29 05:37:57,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-29 05:37:57,693 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2021-10-29 05:37:57,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:37:57,693 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-29 05:37:57,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-10-29 05:37:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-29 05:37:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 05:37:57,695 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:37:57,695 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:37:57,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:57,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:37:58,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:37:58,099 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:37:58,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:37:58,100 INFO L85 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2021-10-29 05:37:58,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:37:58,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502380364] [2021-10-29 05:37:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:58,100 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:37:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:37:58,101 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:37:58,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:37:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:58,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:37:58,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:58,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:37:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:59,044 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:37:59,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502380364] [2021-10-29 05:37:59,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502380364] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:37:59,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [754145579] [2021-10-29 05:37:59,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:37:59,045 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:37:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:37:59,051 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:37:59,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-29 05:37:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:37:59,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 05:37:59,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:37:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:37:59,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:38:00,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:38:00,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [754145579] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:38:00,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503331438] [2021-10-29 05:38:00,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:38:00,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:38:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:38:00,194 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:38:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-29 05:38:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:38:00,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:38:00,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:38:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:38:00,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:38:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:38:01,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503331438] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:38:01,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 05:38:01,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-29 05:38:01,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021984617] [2021-10-29 05:38:01,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-29 05:38:01,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:38:01,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-29 05:38:01,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:38:01,189 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-10-29 05:38:08,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:38:08,456 INFO L93 Difference]: Finished difference Result 1838 states and 2480 transitions. [2021-10-29 05:38:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-29 05:38:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 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) Word has length 52 [2021-10-29 05:38:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:38:08,469 INFO L225 Difference]: With dead ends: 1838 [2021-10-29 05:38:08,469 INFO L226 Difference]: Without dead ends: 1710 [2021-10-29 05:38:08,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2214 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-29 05:38:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-10-29 05:38:08,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 280. [2021-10-29 05:38:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 1.3405017921146953) internal successors, (374), 279 states have internal predecessors, (374), 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) [2021-10-29 05:38:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 374 transitions. [2021-10-29 05:38:08,535 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 374 transitions. Word has length 52 [2021-10-29 05:38:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:38:08,536 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 374 transitions. [2021-10-29 05:38:08,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.153846153846153) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-10-29 05:38:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 374 transitions. [2021-10-29 05:38:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 05:38:08,538 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:38:08,538 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:38:08,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:38:08,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:38:08,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-10-29 05:38:09,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:38:09,142 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:38:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:38:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2021-10-29 05:38:09,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:38:09,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671545846] [2021-10-29 05:38:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:38:09,144 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:38:09,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:38:09,145 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:38:09,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-29 05:38:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:38:09,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:38:09,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:38:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:38:09,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:38:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:38:10,065 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:38:10,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671545846] [2021-10-29 05:38:10,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671545846] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:38:10,065 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:38:10,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:38:10,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401878659] [2021-10-29 05:38:10,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:38:10,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:38:10,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:38:10,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:38:10,068 INFO L87 Difference]: Start difference. First operand 280 states and 374 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-10-29 05:38:10,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:38:10,147 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2021-10-29 05:38:10,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:38:10,148 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) Word has length 73 [2021-10-29 05:38:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:38:10,149 INFO L225 Difference]: With dead ends: 447 [2021-10-29 05:38:10,149 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:38:10,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:38:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:38:10,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:38:10,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-29 05:38:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:38:10,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-29 05:38:10,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:38:10,152 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:38:10,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-10-29 05:38:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:38:10,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:38:10,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:38:10,156 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:38:10,157 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:38:10,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-29 05:38:10,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:38:10,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:38:10,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:10,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:11,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:12,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:38:17,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,728 INFO L853 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-29 05:38:17,728 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 691 699) the Hoare annotation is: false [2021-10-29 05:38:17,729 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 691 699) the Hoare annotation is: false [2021-10-29 05:38:17,729 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-10-29 05:38:17,729 INFO L853 garLoopResultBuilder]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse5) (and .cse0 .cse4 .cse1 .cse5 .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-29 05:38:17,729 INFO L853 garLoopResultBuilder]: At program point L896(lines 881 899) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) [2021-10-29 05:38:17,730 INFO L853 garLoopResultBuilder]: At program point L896-1(lines 881 899) the Hoare annotation is: false [2021-10-29 05:38:17,730 INFO L853 garLoopResultBuilder]: At program point L896-2(lines 881 899) the Hoare annotation is: false [2021-10-29 05:38:17,730 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-10-29 05:38:17,730 INFO L860 garLoopResultBuilder]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2021-10-29 05:38:17,731 INFO L853 garLoopResultBuilder]: At program point L967(lines 918 968) the Hoare annotation is: false [2021-10-29 05:38:17,731 INFO L857 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2021-10-29 05:38:17,731 INFO L857 garLoopResultBuilder]: For program point L769-1(lines 769 786) no Hoare annotation was computed. [2021-10-29 05:38:17,731 INFO L857 garLoopResultBuilder]: For program point L769-2(lines 769 786) no Hoare annotation was computed. [2021-10-29 05:38:17,731 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 608) no Hoare annotation was computed. [2021-10-29 05:38:17,732 INFO L857 garLoopResultBuilder]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2021-10-29 05:38:17,732 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,732 INFO L857 garLoopResultBuilder]: For program point L604-6(lines 604 608) no Hoare annotation was computed. [2021-10-29 05:38:17,732 INFO L857 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,732 INFO L857 garLoopResultBuilder]: For program point L871-2(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,733 INFO L857 garLoopResultBuilder]: For program point L871-3(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,733 INFO L857 garLoopResultBuilder]: For program point L871-5(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,733 INFO L853 garLoopResultBuilder]: At program point L673(lines 668 676) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 05:38:17,733 INFO L857 garLoopResultBuilder]: For program point L871-6(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,734 INFO L853 garLoopResultBuilder]: At program point L673-1(lines 668 676) the Hoare annotation is: false [2021-10-29 05:38:17,734 INFO L857 garLoopResultBuilder]: For program point L871-8(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,734 INFO L853 garLoopResultBuilder]: At program point L673-2(lines 668 676) the Hoare annotation is: false [2021-10-29 05:38:17,734 INFO L857 garLoopResultBuilder]: For program point L871-9(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,734 INFO L853 garLoopResultBuilder]: At program point L508(lines 504 510) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:38:17,735 INFO L857 garLoopResultBuilder]: For program point L871-11(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,735 INFO L857 garLoopResultBuilder]: For program point L871-12(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,735 INFO L857 garLoopResultBuilder]: For program point L871-14(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,735 INFO L857 garLoopResultBuilder]: For program point L871-15(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,735 INFO L857 garLoopResultBuilder]: For program point L871-17(lines 871 875) no Hoare annotation was computed. [2021-10-29 05:38:17,736 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2021-10-29 05:38:17,736 INFO L857 garLoopResultBuilder]: For program point L773-1(lines 773 781) no Hoare annotation was computed. [2021-10-29 05:38:17,736 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 781) no Hoare annotation was computed. [2021-10-29 05:38:17,736 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-29 05:38:17,736 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse5) (and .cse0 .cse4 .cse1 .cse5 .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-29 05:38:17,737 INFO L860 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-10-29 05:38:17,737 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,737 INFO L857 garLoopResultBuilder]: For program point L743-1(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,737 INFO L857 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,737 INFO L857 garLoopResultBuilder]: For program point L743-3(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,738 INFO L857 garLoopResultBuilder]: For program point L743-4(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,738 INFO L857 garLoopResultBuilder]: For program point L743-5(lines 743 760) no Hoare annotation was computed. [2021-10-29 05:38:17,738 INFO L853 garLoopResultBuilder]: At program point L711(lines 710 729) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3))) [2021-10-29 05:38:17,738 INFO L857 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-10-29 05:38:17,739 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 710 729) the Hoare annotation is: false [2021-10-29 05:38:17,739 INFO L853 garLoopResultBuilder]: At program point L711-3(lines 710 729) the Hoare annotation is: false [2021-10-29 05:38:17,739 INFO L853 garLoopResultBuilder]: At program point L877(lines 862 880) the Hoare annotation is: false [2021-10-29 05:38:17,739 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 862 880) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse4 .cse1 .cse5 .cse6 .cse2 .cse7) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse4 .cse1 .cse5 .cse6 .cse2 .cse7))) [2021-10-29 05:38:17,740 INFO L853 garLoopResultBuilder]: At program point L877-2(lines 862 880) the Hoare annotation is: false [2021-10-29 05:38:17,740 INFO L853 garLoopResultBuilder]: At program point L877-3(lines 862 880) the Hoare annotation is: false [2021-10-29 05:38:17,740 INFO L853 garLoopResultBuilder]: At program point L877-4(lines 862 880) the Hoare annotation is: false [2021-10-29 05:38:17,740 INFO L853 garLoopResultBuilder]: At program point L877-5(lines 862 880) the Hoare annotation is: false [2021-10-29 05:38:17,740 INFO L853 garLoopResultBuilder]: At program point L580(lines 1 974) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:38:17,741 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:38:17,741 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,741 INFO L857 garLoopResultBuilder]: For program point L747-1(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,741 INFO L857 garLoopResultBuilder]: For program point L681(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,741 INFO L857 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,742 INFO L857 garLoopResultBuilder]: For program point L681-1(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,742 INFO L857 garLoopResultBuilder]: For program point L747-3(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,742 INFO L857 garLoopResultBuilder]: For program point L681-2(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,742 INFO L857 garLoopResultBuilder]: For program point L747-4(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,742 INFO L857 garLoopResultBuilder]: For program point L681-3(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,743 INFO L857 garLoopResultBuilder]: For program point L747-5(lines 747 755) no Hoare annotation was computed. [2021-10-29 05:38:17,743 INFO L857 garLoopResultBuilder]: For program point L681-4(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,743 INFO L857 garLoopResultBuilder]: For program point L681-5(lines 681 687) no Hoare annotation was computed. [2021-10-29 05:38:17,743 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-10-29 05:38:17,743 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 962) no Hoare annotation was computed. [2021-10-29 05:38:17,744 INFO L853 garLoopResultBuilder]: At program point L718(lines 718 724) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))))) [2021-10-29 05:38:17,744 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 718 724) the Hoare annotation is: false [2021-10-29 05:38:17,744 INFO L853 garLoopResultBuilder]: At program point L718-2(lines 718 724) the Hoare annotation is: false [2021-10-29 05:38:17,744 INFO L857 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,744 INFO L857 garLoopResultBuilder]: For program point L553-1(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,745 INFO L857 garLoopResultBuilder]: For program point L553-2(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,745 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:38:17,745 INFO L853 garLoopResultBuilder]: At program point L686(lines 677 690) the Hoare annotation is: false [2021-10-29 05:38:17,745 INFO L853 garLoopResultBuilder]: At program point L686-1(lines 677 690) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 .cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse4 .cse2) (and .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse3 .cse1 .cse4 .cse2))) [2021-10-29 05:38:17,746 INFO L853 garLoopResultBuilder]: At program point L686-2(lines 677 690) the Hoare annotation is: false [2021-10-29 05:38:17,746 INFO L853 garLoopResultBuilder]: At program point L686-3(lines 677 690) the Hoare annotation is: false [2021-10-29 05:38:17,746 INFO L853 garLoopResultBuilder]: At program point L686-4(lines 677 690) the Hoare annotation is: false [2021-10-29 05:38:17,746 INFO L853 garLoopResultBuilder]: At program point L686-5(lines 677 690) the Hoare annotation is: false [2021-10-29 05:38:17,746 INFO L853 garLoopResultBuilder]: At program point L588(lines 583 591) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:38:17,747 INFO L853 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: false [2021-10-29 05:38:17,747 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:38:17,747 INFO L857 garLoopResultBuilder]: For program point L920(lines 919 966) no Hoare annotation was computed. [2021-10-29 05:38:17,747 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-29 05:38:17,747 INFO L857 garLoopResultBuilder]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-10-29 05:38:17,748 INFO L853 garLoopResultBuilder]: At program point L822(lines 817 825) the Hoare annotation is: false [2021-10-29 05:38:17,748 INFO L853 garLoopResultBuilder]: At program point L822-1(lines 817 825) the Hoare annotation is: false [2021-10-29 05:38:17,748 INFO L853 garLoopResultBuilder]: At program point L822-2(lines 817 825) the Hoare annotation is: false [2021-10-29 05:38:17,748 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-10-29 05:38:17,748 INFO L853 garLoopResultBuilder]: At program point L427-1(lines 1 974) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-29 05:38:17,749 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-10-29 05:38:17,749 INFO L853 garLoopResultBuilder]: At program point L427-3(lines 1 974) the Hoare annotation is: false [2021-10-29 05:38:17,749 INFO L857 garLoopResultBuilder]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-10-29 05:38:17,749 INFO L853 garLoopResultBuilder]: At program point L427-5(lines 1 974) the Hoare annotation is: false [2021-10-29 05:38:17,749 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,750 INFO L857 garLoopResultBuilder]: For program point L890-2(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,750 INFO L857 garLoopResultBuilder]: For program point L890-3(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,750 INFO L857 garLoopResultBuilder]: For program point L890-5(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,750 INFO L857 garLoopResultBuilder]: For program point L890-6(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,750 INFO L857 garLoopResultBuilder]: For program point L890-8(lines 890 894) no Hoare annotation was computed. [2021-10-29 05:38:17,751 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-10-29 05:38:17,751 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 711 717) no Hoare annotation was computed. [2021-10-29 05:38:17,751 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:38:17,751 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 961) no Hoare annotation was computed. [2021-10-29 05:38:17,751 INFO L853 garLoopResultBuilder]: At program point L957-2(lines 711 717) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse5) (and .cse0 .cse4 .cse1 .cse5 .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-29 05:38:17,752 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2021-10-29 05:38:17,752 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 632) no Hoare annotation was computed. [2021-10-29 05:38:17,752 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-10-29 05:38:17,752 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2021-10-29 05:38:17,752 INFO L857 garLoopResultBuilder]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2021-10-29 05:38:17,756 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:38:17,759 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:38:17,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:38:17 BoogieIcfgContainer [2021-10-29 05:38:17,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:38:17,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:38:17,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:38:17,793 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:38:17,794 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:37:46" (3/4) ... [2021-10-29 05:38:17,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:38:17,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:38:17,831 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:38:17,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:38:17,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:38:17,835 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:38:17,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:38:17,837 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:38:17,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:38:17,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:38:17,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) [2021-10-29 05:38:17,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-29 05:38:17,873 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-29 05:38:17,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:38:17,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32 [2021-10-29 05:38:17,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-29 05:38:17,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:38:17,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:38:17,941 INFO L168 Benchmark]: Toolchain (without parser) took 35261.57 ms. Allocated memory was 54.5 MB in the beginning and 111.1 MB in the end (delta: 56.6 MB). Free memory was 32.0 MB in the beginning and 28.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 59.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,942 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:38:17,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.81 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.8 MB in the beginning and 44.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.48 ms. Allocated memory is still 75.5 MB. Free memory was 44.9 MB in the beginning and 41.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,944 INFO L168 Benchmark]: Boogie Preprocessor took 107.87 ms. Allocated memory is still 75.5 MB. Free memory was 41.2 MB in the beginning and 38.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,944 INFO L168 Benchmark]: RCFGBuilder took 2995.91 ms. Allocated memory is still 75.5 MB. Free memory was 38.6 MB in the beginning and 43.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,945 INFO L168 Benchmark]: TraceAbstraction took 30979.76 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 43.2 MB in the beginning and 38.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,945 INFO L168 Benchmark]: Witness Printer took 147.41 ms. Allocated memory is still 111.1 MB. Free memory was 38.1 MB in the beginning and 28.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:38:17,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 891.81 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.8 MB in the beginning and 44.9 MB in the end (delta: -13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.48 ms. Allocated memory is still 75.5 MB. Free memory was 44.9 MB in the beginning and 41.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.87 ms. Allocated memory is still 75.5 MB. Free memory was 41.2 MB in the beginning and 38.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2995.91 ms. Allocated memory is still 75.5 MB. Free memory was 38.6 MB in the beginning and 43.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30979.76 ms. Allocated memory was 75.5 MB in the beginning and 111.1 MB in the end (delta: 35.7 MB). Free memory was 43.2 MB in the beginning and 38.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. * Witness Printer took 147.41 ms. Allocated memory is still 111.1 MB. Free memory was 38.1 MB in the beginning and 28.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 553]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 30.8s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 4011 SDslu, 3452 SDs, 0 SdLazy, 802 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1308 GetRequests, 1169 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2276 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=10, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 110 NumberOfFragments, 660 HoareAnnotationTreeSize, 43 FomulaSimplifications, 912168 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 67562 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1214 ConstructedInterpolants, 0 QuantifiedInterpolants, 2568 SizeOfPredicates, 37 NumberOfNonLiveVariables, 3382 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 244/322 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && tmp == 0bv32 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || (((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(tmp == 0bv32)) && !(0bv32 == \result)) && systemActive == 1bv32)) || (((((splverifierCounter == 0bv32 && tmp == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:38:18,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c52c46a-5779-423f-b5da-6a2d5873a643/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...