./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw --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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 ............................................................................................................................................ 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_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw --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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:22:54,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:22:54,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:22:54,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:22:54,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:22:54,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:22:54,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:22:55,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:22:55,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:22:55,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:22:55,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:22:55,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:22:55,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:22:55,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:22:55,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:22:55,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:22:55,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:22:55,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:22:55,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:22:55,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:22:55,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:22:55,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:22:55,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:22:55,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:22:55,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:22:55,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:22:55,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:22:55,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:22:55,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:22:55,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:22:55,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:22:55,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:22:55,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:22:55,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:22:55,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:22:55,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:22:55,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:22:55,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:22:55,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:22:55,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:22:55,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:22:55,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:22:55,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:22:55,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:22:55,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:22:55,076 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:22:55,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:22:55,078 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:22:55,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:22:55,078 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:22:55,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:22:55,079 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:22:55,080 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:22:55,080 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:22:55,081 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:22:55,081 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:22:55,081 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:22:55,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:22:55,082 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:22:55,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:22:55,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:22:55,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:22:55,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:22:55,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:22:55,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:22:55,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:22:55,084 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:22:55,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:22:55,085 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:22:55,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:22:55,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:22:55,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:22:55,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:22:55,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:22:55,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:22:55,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:22:55,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:22:55,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:22:55,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:22:55,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:22:55,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:22:55,090 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_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2021-10-20 05:22:55,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:22:55,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:22:55,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:22:55,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:22:55,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:22:55,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-20 05:22:55,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/0ef80f088/d83f532c903e46039725c9ba5177fb03/FLAG4d6f1ac00 [2021-10-20 05:22:56,051 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:22:56,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-20 05:22:56,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/0ef80f088/d83f532c903e46039725c9ba5177fb03/FLAG4d6f1ac00 [2021-10-20 05:22:56,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/0ef80f088/d83f532c903e46039725c9ba5177fb03 [2021-10-20 05:22:56,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:22:56,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:22:56,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:22:56,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:22:56,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:22:56,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:22:56" (1/1) ... [2021-10-20 05:22:56,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a5004d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:22:56, skipping insertion in model container [2021-10-20 05:22:56,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:22:56" (1/1) ... [2021-10-20 05:22:56,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:22:56,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:22:56,652 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_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-20 05:22:56,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:22:56,794 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) [2021-10-20 05:22:56,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e5ce3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:22:56, skipping insertion in model container [2021-10-20 05:22:56,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:22:56,795 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 05:22:56,797 INFO L168 Benchmark]: Toolchain (without parser) took 437.48 ms. Allocated memory is still 102.8 MB. Free memory was 71.3 MB in the beginning and 74.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:22:56,798 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:22:56,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.41 ms. Allocated memory is still 102.8 MB. Free memory was 71.3 MB in the beginning and 74.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:22:56,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 57.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.41 ms. Allocated memory is still 102.8 MB. Free memory was 71.3 MB in the beginning and 74.9 MB in the end (delta: -3.5 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: 314]: 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-e943c26 [2021-10-20 05:22:59,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:22:59,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:22:59,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:22:59,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:22:59,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:22:59,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:22:59,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:22:59,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:22:59,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:22:59,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:22:59,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:22:59,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:22:59,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:22:59,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:22:59,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:22:59,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:22:59,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:22:59,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:22:59,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:22:59,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:22:59,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:22:59,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:22:59,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:22:59,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:22:59,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:22:59,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:22:59,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:22:59,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:22:59,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:22:59,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:22:59,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:22:59,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:22:59,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:22:59,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:22:59,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:22:59,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:22:59,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:22:59,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:22:59,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:22:59,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:22:59,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-20 05:22:59,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:22:59,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:22:59,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:22:59,265 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:22:59,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:22:59,265 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:22:59,265 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:22:59,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:22:59,266 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:22:59,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:22:59,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:22:59,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:22:59,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:22:59,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:22:59,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:22:59,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:22:59,269 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:22:59,270 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 05:22:59,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 05:22:59,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:22:59,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:22:59,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:22:59,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:22:59,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:22:59,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 05:22:59,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:22:59,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:22:59,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:22:59,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:22:59,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:22:59,272 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-20 05:22:59,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 05:22:59,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:22:59,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:22:59,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:22:59,273 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_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2021-10-20 05:22:59,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:22:59,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:22:59,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:22:59,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:22:59,680 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:22:59,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-20 05:22:59,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/d3fb5f0cd/4bf5efc7b50441b89e7b8f9883987f2d/FLAG1876deba0 [2021-10-20 05:23:00,361 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:23:00,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-20 05:23:00,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/d3fb5f0cd/4bf5efc7b50441b89e7b8f9883987f2d/FLAG1876deba0 [2021-10-20 05:23:00,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/data/d3fb5f0cd/4bf5efc7b50441b89e7b8f9883987f2d [2021-10-20 05:23:00,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:23:00,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:23:00,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:00,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:23:00,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:23:00,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:00" (1/1) ... [2021-10-20 05:23:00,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120eae40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:00, skipping insertion in model container [2021-10-20 05:23:00,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:23:00" (1/1) ... [2021-10-20 05:23:00,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:23:00,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:23:00,849 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_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-20 05:23:01,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:01,093 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-20 05:23:01,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:23:01,126 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_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-20 05:23:01,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:01,197 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:23:01,212 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_93f65220-7b7e-4e3e-a708-dfb08215747b/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-20 05:23:01,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:23:01,279 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:23:01,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01 WrapperNode [2021-10-20 05:23:01,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:23:01,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:23:01,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:23:01,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:23:01,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:23:01,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:23:01,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:23:01,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:23:01,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:23:01,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:23:01,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:23:01,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:23:01,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (1/1) ... [2021-10-20 05:23:01,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:23:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:23:01,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:23:01,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:23:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:23:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-20 05:23:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:23:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:23:03,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:23:03,907 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-20 05:23:03,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:03 BoogieIcfgContainer [2021-10-20 05:23:03,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:23:03,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:23:03,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:23:03,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:23:03,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:23:00" (1/3) ... [2021-10-20 05:23:03,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62650751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:23:03, skipping insertion in model container [2021-10-20 05:23:03,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:23:01" (2/3) ... [2021-10-20 05:23:03,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62650751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:23:03, skipping insertion in model container [2021-10-20 05:23:03,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:03" (3/3) ... [2021-10-20 05:23:03,919 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2021-10-20 05:23:03,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:23:03,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-20 05:23:03,977 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:23:03,983 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 [2021-10-20 05:23:03,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-20 05:23:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 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) [2021-10-20 05:23:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-20 05:23:04,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:04,007 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:23:04,007 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:04,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1951915580, now seen corresponding path program 1 times [2021-10-20 05:23:04,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:04,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839158313] [2021-10-20 05:23:04,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:04,029 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:04,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:04,034 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:04,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-20 05:23:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:04,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-20 05:23:04,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:04,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:04,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:04,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839158313] [2021-10-20 05:23:04,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839158313] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:04,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:04,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-20 05:23:04,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511333787] [2021-10-20 05:23:04,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:23:04,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:04,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:23:04,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:23:04,509 INFO L87 Difference]: Start difference. First operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 states have internal predecessors, (109), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-20 05:23:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:04,550 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-10-20 05:23:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:23:04,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-20 05:23:04,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:04,563 INFO L225 Difference]: With dead ends: 139 [2021-10-20 05:23:04,564 INFO L226 Difference]: Without dead ends: 69 [2021-10-20 05:23:04,567 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:23:04,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-20 05:23:04,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-20 05:23:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-10-20 05:23:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-20 05:23:04,625 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-10-20 05:23:04,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:04,626 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-20 05:23:04,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-20 05:23:04,627 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-10-20 05:23:04,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-20 05:23:04,628 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:04,628 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:23:04,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:04,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:04,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:04,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:04,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2124215747, now seen corresponding path program 1 times [2021-10-20 05:23:04,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:04,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565089760] [2021-10-20 05:23:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:04,857 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:04,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:04,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:04,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-20 05:23:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:05,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:05,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:05,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:05,205 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:05,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565089760] [2021-10-20 05:23:05,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565089760] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:05,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:05,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-20 05:23:05,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765528413] [2021-10-20 05:23:05,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:23:05,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:05,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:23:05,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:05,209 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-20 05:23:05,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:05,222 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-10-20 05:23:05,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:05,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 19 [2021-10-20 05:23:05,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:05,224 INFO L225 Difference]: With dead ends: 69 [2021-10-20 05:23:05,224 INFO L226 Difference]: Without dead ends: 33 [2021-10-20 05:23:05,225 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:05,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-20 05:23:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-20 05:23:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-20 05:23:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-20 05:23:05,230 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-20 05:23:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:05,231 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-20 05:23:05,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-20 05:23:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-20 05:23:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-20 05:23:05,232 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:05,232 INFO L512 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] [2021-10-20 05:23:05,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:05,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:05,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:05,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:05,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2021-10-20 05:23:05,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:05,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797146024] [2021-10-20 05:23:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:05,452 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:05,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:05,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:05,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-20 05:23:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:05,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-20 05:23:05,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:05,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:05,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:05,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797146024] [2021-10-20 05:23:05,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797146024] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:05,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:05,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-20 05:23:05,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041694311] [2021-10-20 05:23:05,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:23:05,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:23:05,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:05,884 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-20 05:23:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:05,900 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-10-20 05:23:05,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-20 05:23:05,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 [2021-10-20 05:23:05,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:05,902 INFO L225 Difference]: With dead ends: 59 [2021-10-20 05:23:05,902 INFO L226 Difference]: Without dead ends: 33 [2021-10-20 05:23:05,903 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:23:05,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-20 05:23:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-20 05:23:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-10-20 05:23:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-20 05:23:05,919 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-20 05:23:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:05,920 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-20 05:23:05,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-10-20 05:23:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-20 05:23:05,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-20 05:23:05,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:05,923 INFO L512 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] [2021-10-20 05:23:05,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:06,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:06,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:06,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2021-10-20 05:23:06,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:06,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417377557] [2021-10-20 05:23:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:06,136 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:06,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:06,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-20 05:23:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:06,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:23:06,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:06,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:06,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:06,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:06,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417377557] [2021-10-20 05:23:06,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417377557] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:06,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:06,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-20 05:23:06,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758783852] [2021-10-20 05:23:06,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:23:06,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:06,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:23:06,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:23:06,649 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) 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) [2021-10-20 05:23:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:06,782 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-10-20 05:23:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-20 05:23:06,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) 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 25 [2021-10-20 05:23:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:06,786 INFO L225 Difference]: With dead ends: 135 [2021-10-20 05:23:06,786 INFO L226 Difference]: Without dead ends: 109 [2021-10-20 05:23:06,787 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-20 05:23:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-20 05:23:06,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-10-20 05:23:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 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) [2021-10-20 05:23:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-10-20 05:23:06,810 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-10-20 05:23:06,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:06,810 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-20 05:23:06,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) 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) [2021-10-20 05:23:06,812 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-20 05:23:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-20 05:23:06,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:23:06,814 INFO L512 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] [2021-10-20 05:23:06,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:07,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:07,026 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:23:07,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:23:07,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2021-10-20 05:23:07,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-20 05:23:07,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90990544] [2021-10-20 05:23:07,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:23:07,029 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-20 05:23:07,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat [2021-10-20 05:23:07,030 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-20 05:23:07,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-20 05:23:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:23:07,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-20 05:23:07,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:23:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:07,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:23:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:23:07,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-20 05:23:07,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90990544] [2021-10-20 05:23:07,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [90990544] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-20 05:23:07,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:23:07,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-20 05:23:07,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669081125] [2021-10-20 05:23:07,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-20 05:23:07,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-20 05:23:07,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-20 05:23:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-20 05:23:07,429 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-20 05:23:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:23:07,542 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-10-20 05:23:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-20 05:23:07,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-10-20 05:23:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:23:07,544 INFO L225 Difference]: With dead ends: 146 [2021-10-20 05:23:07,544 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:23:07,547 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-20 05:23:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:23:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:23:07,549 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) [2021-10-20 05:23:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:23:07,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-20 05:23:07,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:23:07,549 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:23:07,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-20 05:23:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:23:07,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:23:07,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:07,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:07,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:23:07,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-20 05:23:07,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/mathsat -unsat_core_generation=3 [2021-10-20 05:23:07,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:23:07,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:07,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:08,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:23:08,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:23:08,138 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2021-10-20 05:23:08,138 INFO L857 garLoopResultBuilder]: For program point L697-3(lines 697 701) no Hoare annotation was computed. [2021-10-20 05:23:08,139 INFO L857 garLoopResultBuilder]: For program point L697-6(lines 697 701) no Hoare annotation was computed. [2021-10-20 05:23:08,139 INFO L853 garLoopResultBuilder]: At program point L236(lines 229 239) the Hoare annotation is: false [2021-10-20 05:23:08,139 INFO L853 garLoopResultBuilder]: At program point L236-1(lines 229 239) the Hoare annotation is: false [2021-10-20 05:23:08,139 INFO L853 garLoopResultBuilder]: At program point L236-2(lines 229 239) the Hoare annotation is: false [2021-10-20 05:23:08,139 INFO L853 garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: false [2021-10-20 05:23:08,140 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 729 737) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,140 INFO L853 garLoopResultBuilder]: At program point L734-2(lines 729 737) the Hoare annotation is: false [2021-10-20 05:23:08,140 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,140 INFO L853 garLoopResultBuilder]: At program point L734-3(lines 729 737) the Hoare annotation is: false [2021-10-20 05:23:08,140 INFO L857 garLoopResultBuilder]: For program point L123-1(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,140 INFO L853 garLoopResultBuilder]: At program point L734-4(lines 729 737) the Hoare annotation is: false [2021-10-20 05:23:08,141 INFO L853 garLoopResultBuilder]: At program point L734-5(lines 729 737) the Hoare annotation is: false [2021-10-20 05:23:08,141 INFO L857 garLoopResultBuilder]: For program point L123-2(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,141 INFO L853 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,141 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2021-10-20 05:23:08,141 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,141 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:23:08,141 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,142 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 192) no Hoare annotation was computed. [2021-10-20 05:23:08,142 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 192) no Hoare annotation was computed. [2021-10-20 05:23:08,142 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 192) no Hoare annotation was computed. [2021-10-20 05:23:08,142 INFO L860 garLoopResultBuilder]: At program point L902(lines 883 905) the Hoare annotation is: true [2021-10-20 05:23:08,142 INFO L853 garLoopResultBuilder]: At program point L869(lines 865 871) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,142 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-10-20 05:23:08,143 INFO L853 garLoopResultBuilder]: At program point L143(lines 142 161) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,143 INFO L853 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2021-10-20 05:23:08,143 INFO L857 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2021-10-20 05:23:08,143 INFO L853 garLoopResultBuilder]: At program point L143-2(lines 142 161) the Hoare annotation is: false [2021-10-20 05:23:08,143 INFO L853 garLoopResultBuilder]: At program point L143-3(lines 142 161) the Hoare annotation is: false [2021-10-20 05:23:08,143 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2021-10-20 05:23:08,143 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-20 05:23:08,144 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed. [2021-10-20 05:23:08,144 INFO L853 garLoopResultBuilder]: At program point L788-1(lines 1 905) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,144 INFO L853 garLoopResultBuilder]: At program point L821-2(lines 821 835) the Hoare annotation is: false [2021-10-20 05:23:08,144 INFO L857 garLoopResultBuilder]: For program point L788-2(lines 788 805) no Hoare annotation was computed. [2021-10-20 05:23:08,144 INFO L853 garLoopResultBuilder]: At program point L788-3(lines 1 905) the Hoare annotation is: false [2021-10-20 05:23:08,144 INFO L857 garLoopResultBuilder]: For program point L788-4(lines 788 805) no Hoare annotation was computed. [2021-10-20 05:23:08,144 INFO L853 garLoopResultBuilder]: At program point L788-5(lines 1 905) the Hoare annotation is: false [2021-10-20 05:23:08,145 INFO L857 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2021-10-20 05:23:08,146 INFO L853 garLoopResultBuilder]: At program point L245(lines 240 248) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,146 INFO L853 garLoopResultBuilder]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2021-10-20 05:23:08,146 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 187) no Hoare annotation was computed. [2021-10-20 05:23:08,146 INFO L853 garLoopResultBuilder]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2021-10-20 05:23:08,146 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 187) no Hoare annotation was computed. [2021-10-20 05:23:08,147 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2021-10-20 05:23:08,147 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-10-20 05:23:08,147 INFO L857 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2021-10-20 05:23:08,147 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-20 05:23:08,147 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-10-20 05:23:08,148 INFO L857 garLoopResultBuilder]: For program point L792(lines 792 802) no Hoare annotation was computed. [2021-10-20 05:23:08,148 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-20 05:23:08,148 INFO L857 garLoopResultBuilder]: For program point L825-1(lines 143 149) no Hoare annotation was computed. [2021-10-20 05:23:08,148 INFO L857 garLoopResultBuilder]: For program point L792-2(lines 792 802) no Hoare annotation was computed. [2021-10-20 05:23:08,148 INFO L857 garLoopResultBuilder]: For program point L792-4(lines 792 802) no Hoare annotation was computed. [2021-10-20 05:23:08,149 INFO L853 garLoopResultBuilder]: At program point L677(lines 1 905) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,149 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-20 05:23:08,149 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2021-10-20 05:23:08,149 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 799) no Hoare annotation was computed. [2021-10-20 05:23:08,149 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 799) no Hoare annotation was computed. [2021-10-20 05:23:08,150 INFO L853 garLoopResultBuilder]: At program point L777(lines 772 779) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,150 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-20 05:23:08,150 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 143 149) no Hoare annotation was computed. [2021-10-20 05:23:08,150 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 900) no Hoare annotation was computed. [2021-10-20 05:23:08,150 INFO L860 garLoopResultBuilder]: At program point L893-1(lines 893 900) the Hoare annotation is: true [2021-10-20 05:23:08,151 INFO L853 garLoopResultBuilder]: At program point L150(lines 150 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,151 INFO L853 garLoopResultBuilder]: At program point L150-1(lines 150 156) the Hoare annotation is: false [2021-10-20 05:23:08,151 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2021-10-20 05:23:08,151 INFO L853 garLoopResultBuilder]: At program point L150-2(lines 150 156) the Hoare annotation is: false [2021-10-20 05:23:08,151 INFO L853 garLoopResultBuilder]: At program point L84-1(lines 84 90) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-20 05:23:08,156 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:23:08,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:23:08 BoogieIcfgContainer [2021-10-20 05:23:08,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:23:08,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:23:08,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:23:08,174 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:23:08,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:23:03" (3/4) ... [2021-10-20 05:23:08,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:23:08,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-20 05:23:08,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-20 05:23:08,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-20 05:23:08,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:23:08,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:23:08,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:23:08,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:23:08,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-20 05:23:08,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:23:08,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:23:08,275 INFO L168 Benchmark]: Toolchain (without parser) took 7633.40 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 38.0 MB in the beginning and 59.7 MB in the end (delta: -21.7 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,276 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:23:08,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.02 ms. Allocated memory is still 58.7 MB. Free memory was 37.8 MB in the beginning and 28.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.57 ms. Allocated memory is still 58.7 MB. Free memory was 28.4 MB in the beginning and 25.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,277 INFO L168 Benchmark]: Boogie Preprocessor took 71.38 ms. Allocated memory is still 58.7 MB. Free memory was 25.4 MB in the beginning and 23.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,278 INFO L168 Benchmark]: RCFGBuilder took 2478.38 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 23.1 MB in the beginning and 51.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,278 INFO L168 Benchmark]: TraceAbstraction took 4261.07 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 51.0 MB in the beginning and 66.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,278 INFO L168 Benchmark]: Witness Printer took 100.45 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 59.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-20 05:23:08,281 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 58.7 MB. Free memory is still 40.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 638.02 ms. Allocated memory is still 58.7 MB. Free memory was 37.8 MB in the beginning and 28.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.57 ms. Allocated memory is still 58.7 MB. Free memory was 28.4 MB in the beginning and 25.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.38 ms. Allocated memory is still 58.7 MB. Free memory was 25.4 MB in the beginning and 23.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2478.38 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 23.1 MB in the beginning and 51.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4261.07 ms. Allocated memory was 71.3 MB in the beginning and 92.3 MB in the end (delta: 21.0 MB). Free memory was 51.0 MB in the beginning and 66.0 MB in the end (delta: -15.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 100.45 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 59.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 123]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 123]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 123]: 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, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4181.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.6ms, AutomataDifference: 376.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 370.7ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 303 SDtfs, 309 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 101.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 82.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 248.7ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 112.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 136.8ms SsaConstructionTime, 600.5ms SatisfiabilityAnalysisTime, 1022.2ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 729]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-20 05:23:08,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93f65220-7b7e-4e3e-a708-dfb08215747b/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...