./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI --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 a73dafdc853fd09794b169fd90326076ad938e4b ............................................................................................................................................ 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_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI --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 a73dafdc853fd09794b169fd90326076ad938e4b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:27:36,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:36,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:37,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:37,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:37,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:37,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:37,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:37,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:37,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:37,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:37,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:37,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:37,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:37,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:37,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:37,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:37,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:37,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:37,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:37,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:37,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:37,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:37,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:37,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:37,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:37,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:37,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:37,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:37,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:37,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:37,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:37,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:37,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:37,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:37,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:37,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:37,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:37,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:37,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:37,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:37,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:27:37,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:37,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:37,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:37,119 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:37,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:37,120 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:37,120 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:27:37,120 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:37,120 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:37,121 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:27:37,121 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:27:37,121 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:37,121 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:27:37,122 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:27:37,122 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:27:37,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:37,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:37,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:27:37,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:37,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:37,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:37,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:37,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:37,125 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:37,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:37,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:37,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:37,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:37,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:37,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:37,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:37,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:37,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:37,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:37,128 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:27:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:27:37,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:37,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:37,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:37,129 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_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73dafdc853fd09794b169fd90326076ad938e4b [2021-10-11 02:27:37,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:37,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:37,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:37,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:37,467 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:37,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 02:27:37,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/3e73e39bb/7068cdb47e614442b0248f043e996974/FLAG156f51ea8 [2021-10-11 02:27:37,981 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:37,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 02:27:37,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/3e73e39bb/7068cdb47e614442b0248f043e996974/FLAG156f51ea8 [2021-10-11 02:27:38,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/3e73e39bb/7068cdb47e614442b0248f043e996974 [2021-10-11 02:27:38,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:38,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:38,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:38,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:38,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:38,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e85c7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38, skipping insertion in model container [2021-10-11 02:27:38,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:38" (1/1) ... [2021-10-11 02:27:38,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:38,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:38,677 WARN L226 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_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 02:27:38,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:38,726 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) [2021-10-11 02:27:38,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d8333c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:38, skipping insertion in model container [2021-10-11 02:27:38,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:38,728 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:27:38,730 INFO L168 Benchmark]: Toolchain (without parser) took 398.64 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.7 MB in the beginning and 74.1 MB in the end (delta: -25.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:38,731 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 57.2 MB in the beginning and 57.2 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:27:38,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.09 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.4 MB in the beginning and 74.1 MB in the end (delta: -25.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:27:38,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 57.2 MB in the beginning and 57.2 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 396.09 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 48.4 MB in the beginning and 74.1 MB in the end (delta: -25.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 70]: 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 0.2.0-7b2dab5 [2021-10-11 02:27:41,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:27:41,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:27:41,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:27:41,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:27:41,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:27:41,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:27:41,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:27:41,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:27:41,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:27:41,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:27:41,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:27:41,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:27:41,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:27:41,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:27:41,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:27:41,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:27:41,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:27:41,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:27:41,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:27:41,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:27:41,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:27:41,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:27:41,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:27:41,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:27:41,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:27:41,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:27:41,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:27:41,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:27:41,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:27:41,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:27:41,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:27:41,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:27:41,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:27:41,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:27:41,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:27:41,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:27:41,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:27:41,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:27:41,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:27:41,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:27:41,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:27:41,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:27:41,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:27:41,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:27:41,213 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:27:41,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:27:41,213 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:27:41,214 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:27:41,214 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:27:41,214 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:27:41,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:27:41,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:27:41,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:27:41,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:27:41,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:27:41,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:27:41,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:27:41,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:27:41,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:27:41,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:27:41,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:27:41,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:27:41,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:27:41,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:27:41,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:27:41,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:27:41,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:27:41,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:41,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:27:41,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:27:41,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:27:41,223 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:27:41,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:41,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:27:41,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:27:41,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:27:41,225 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_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73dafdc853fd09794b169fd90326076ad938e4b [2021-10-11 02:27:41,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:27:41,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:27:41,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:27:41,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:27:41,668 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:27:41,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 02:27:41,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/60f8c3022/19f47ee6a17749cd927b81cf16824c95/FLAGede9f8f9f [2021-10-11 02:27:42,361 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:27:42,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 02:27:42,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/60f8c3022/19f47ee6a17749cd927b81cf16824c95/FLAGede9f8f9f [2021-10-11 02:27:42,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/data/60f8c3022/19f47ee6a17749cd927b81cf16824c95 [2021-10-11 02:27:42,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:27:42,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:27:42,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:42,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:27:42,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:27:42,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:42" (1/1) ... [2021-10-11 02:27:42,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3babbab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:42, skipping insertion in model container [2021-10-11 02:27:42,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:27:42" (1/1) ... [2021-10-11 02:27:42,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:27:42,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:43,042 WARN L226 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_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 02:27:43,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:43,181 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:27:43,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:27:43,231 WARN L226 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_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 02:27:43,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:43,273 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:27:43,333 WARN L226 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_2869f246-1c03-4e67-adb9-74fcfc70204e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 02:27:43,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:27:43,413 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:27:43,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43 WrapperNode [2021-10-11 02:27:43,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:27:43,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:43,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:27:43,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:27:43,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:27:43,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:27:43,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:27:43,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:27:43,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... [2021-10-11 02:27:43,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:27:43,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:27:43,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:27:43,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:27:43,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:27:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:27:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:27:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:27:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:27:46,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:27:46,362 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 02:27:46,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46 BoogieIcfgContainer [2021-10-11 02:27:46,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:27:46,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:27:46,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:27:46,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:27:46,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:27:42" (1/3) ... [2021-10-11 02:27:46,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5f8b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:46, skipping insertion in model container [2021-10-11 02:27:46,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:27:43" (2/3) ... [2021-10-11 02:27:46,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5f8b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:27:46, skipping insertion in model container [2021-10-11 02:27:46,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46" (3/3) ... [2021-10-11 02:27:46,372 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2021-10-11 02:27:46,386 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:27:46,390 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 02:27:46,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 02:27:46,426 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:27:46,426 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:27:46,426 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:27:46,426 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:27:46,426 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:27:46,427 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:27:46,427 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:27:46,427 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:27:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 02:27:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:27:46,449 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:46,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:46,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:46,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:46,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2021-10-11 02:27:46,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:46,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817839383] [2021-10-11 02:27:46,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:46,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:27:46,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:46,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:46,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817839383] [2021-10-11 02:27:46,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:46,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:27:46,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310188408] [2021-10-11 02:27:46,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:27:46,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:46,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:27:46,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:46,815 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 02:27:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:46,854 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 02:27:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:27:46,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 02:27:46,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:46,866 INFO L225 Difference]: With dead ends: 228 [2021-10-11 02:27:46,866 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 02:27:46,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:27:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 02:27:46,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 02:27:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 02:27:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 02:27:46,914 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-11 02:27:46,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:46,915 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 02:27:46,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:27:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 02:27:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:27:46,917 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:46,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:47,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:27:47,137 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:47,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:47,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2021-10-11 02:27:47,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:47,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073928625] [2021-10-11 02:27:47,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:47,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:47,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:47,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:47,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073928625] [2021-10-11 02:27:47,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:47,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:47,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022635504] [2021-10-11 02:27:47,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:47,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:47,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:47,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:47,491 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 02:27:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:47,523 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 02:27:47,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:47,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:27:47,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:47,527 INFO L225 Difference]: With dead ends: 113 [2021-10-11 02:27:47,528 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:27:47,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:27:47,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:27:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:27:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 02:27:47,545 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 02:27:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:47,548 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 02:27:47,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 02:27:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:27:47,553 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:47,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:47,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:27:47,767 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:47,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:47,767 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2021-10-11 02:27:47,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:47,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947874410] [2021-10-11 02:27:47,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:48,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:48,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:48,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:48,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947874410] [2021-10-11 02:27:48,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:48,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:48,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91902730] [2021-10-11 02:27:48,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:48,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:48,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:48,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:48,055 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2021-10-11 02:27:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:48,087 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 02:27:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:48,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:27:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:48,089 INFO L225 Difference]: With dead ends: 88 [2021-10-11 02:27:48,089 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 02:27:48,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 02:27:48,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 02:27:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 02:27:48,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 02:27:48,096 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-11 02:27:48,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:48,097 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 02:27:48,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 02:27:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:27:48,098 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:48,098 INFO L422 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] [2021-10-11 02:27:48,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,313 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:48,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:48,313 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2021-10-11 02:27:48,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:48,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244325293] [2021-10-11 02:27:48,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:48,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:27:48,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:48,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:48,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244325293] [2021-10-11 02:27:48,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:48,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:48,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983941206] [2021-10-11 02:27:48,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:27:48,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:48,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:27:48,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:48,619 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 02:27:48,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:48,709 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-11 02:27:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:27:48,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:27:48,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:48,714 INFO L225 Difference]: With dead ends: 109 [2021-10-11 02:27:48,714 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 02:27:48,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:27:48,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 02:27:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-11 02:27:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 02:27:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-11 02:27:48,740 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-11 02:27:48,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:48,742 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-11 02:27:48,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:27:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-11 02:27:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:27:48,744 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:48,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:48,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:27:48,960 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:48,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:48,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2021-10-11 02:27:48,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:48,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106237442] [2021-10-11 02:27:48,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:49,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:49,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:49,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106237442] [2021-10-11 02:27:49,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:49,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:49,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735147708] [2021-10-11 02:27:49,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:49,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:49,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:49,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:49,279 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-10-11 02:27:49,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:49,399 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-11 02:27:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:27:49,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:27:49,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:49,401 INFO L225 Difference]: With dead ends: 175 [2021-10-11 02:27:49,402 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 02:27:49,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:27:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 02:27:49,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-11 02:27:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 02:27:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-11 02:27:49,412 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-11 02:27:49,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:49,412 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-11 02:27:49,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-11 02:27:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:27:49,414 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:49,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:49,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:27:49,629 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:49,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:49,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2021-10-11 02:27:49,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:49,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269994602] [2021-10-11 02:27:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:49,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:49,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:49,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269994602] [2021-10-11 02:27:49,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:49,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:49,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886799266] [2021-10-11 02:27:49,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:49,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:49,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:49,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:49,885 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-10-11 02:27:50,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:50,042 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2021-10-11 02:27:50,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:27:50,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:27:50,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:50,046 INFO L225 Difference]: With dead ends: 253 [2021-10-11 02:27:50,046 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 02:27:50,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:27:50,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 02:27:50,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-11 02:27:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 02:27:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2021-10-11 02:27:50,084 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2021-10-11 02:27:50,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:50,084 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2021-10-11 02:27:50,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2021-10-11 02:27:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:27:50,089 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:50,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:50,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:27:50,293 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:50,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:50,293 INFO L82 PathProgramCache]: Analyzing trace with hash -964491617, now seen corresponding path program 1 times [2021-10-11 02:27:50,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:50,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275769885] [2021-10-11 02:27:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:50,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:27:50,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:50,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:50,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:50,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1275769885] [2021-10-11 02:27:50,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:50,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:27:50,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987597135] [2021-10-11 02:27:50,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:27:50,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:50,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:27:50,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:27:50,551 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2021-10-11 02:27:52,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:52,096 INFO L93 Difference]: Finished difference Result 296 states and 410 transitions. [2021-10-11 02:27:52,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:27:52,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:27:52,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:52,099 INFO L225 Difference]: With dead ends: 296 [2021-10-11 02:27:52,099 INFO L226 Difference]: Without dead ends: 230 [2021-10-11 02:27:52,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:27:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-11 02:27:52,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 223. [2021-10-11 02:27:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2021-10-11 02:27:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 303 transitions. [2021-10-11 02:27:52,125 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 303 transitions. Word has length 31 [2021-10-11 02:27:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:52,125 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 303 transitions. [2021-10-11 02:27:52,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:27:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 303 transitions. [2021-10-11 02:27:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:27:52,126 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:52,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:52,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2021-10-11 02:27:52,343 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:52,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:52,343 INFO L82 PathProgramCache]: Analyzing trace with hash -706326179, now seen corresponding path program 1 times [2021-10-11 02:27:52,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:52,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855148895] [2021-10-11 02:27:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:52,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:27:52,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:52,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:52,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855148895] [2021-10-11 02:27:52,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:52,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:52,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781644932] [2021-10-11 02:27:52,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:27:52,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:52,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:27:52,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:27:52,594 INFO L87 Difference]: Start difference. First operand 223 states and 303 transitions. Second operand 4 states. [2021-10-11 02:27:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:52,683 INFO L93 Difference]: Finished difference Result 588 states and 811 transitions. [2021-10-11 02:27:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:27:52,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 02:27:52,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:52,687 INFO L225 Difference]: With dead ends: 588 [2021-10-11 02:27:52,690 INFO L226 Difference]: Without dead ends: 411 [2021-10-11 02:27:52,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-10-11 02:27:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 224. [2021-10-11 02:27:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-10-11 02:27:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 303 transitions. [2021-10-11 02:27:52,727 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 303 transitions. Word has length 31 [2021-10-11 02:27:52,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:52,727 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 303 transitions. [2021-10-11 02:27:52,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:27:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 303 transitions. [2021-10-11 02:27:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:27:52,728 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:52,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:52,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2021-10-11 02:27:52,944 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:52,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:52,945 INFO L82 PathProgramCache]: Analyzing trace with hash 533103064, now seen corresponding path program 1 times [2021-10-11 02:27:52,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:52,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092920629] [2021-10-11 02:27:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:53,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 02:27:53,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:27:53,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:53,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092920629] [2021-10-11 02:27:53,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:53,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:27:53,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712226585] [2021-10-11 02:27:53,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:27:53,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:53,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:27:53,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:27:53,235 INFO L87 Difference]: Start difference. First operand 224 states and 303 transitions. Second operand 6 states. [2021-10-11 02:27:55,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:55,031 INFO L93 Difference]: Finished difference Result 455 states and 615 transitions. [2021-10-11 02:27:55,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:27:55,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2021-10-11 02:27:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:55,035 INFO L225 Difference]: With dead ends: 455 [2021-10-11 02:27:55,035 INFO L226 Difference]: Without dead ends: 277 [2021-10-11 02:27:55,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:27:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-10-11 02:27:55,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 220. [2021-10-11 02:27:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2021-10-11 02:27:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 295 transitions. [2021-10-11 02:27:55,061 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 295 transitions. Word has length 31 [2021-10-11 02:27:55,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:55,062 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 295 transitions. [2021-10-11 02:27:55,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:27:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 295 transitions. [2021-10-11 02:27:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 02:27:55,070 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:55,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:55,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2021-10-11 02:27:55,288 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:55,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:55,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2021-10-11 02:27:55,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:55,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726759557] [2021-10-11 02:27:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:55,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:27:55,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 02:27:55,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:55,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726759557] [2021-10-11 02:27:55,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:27:55,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:27:55,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547925761] [2021-10-11 02:27:55,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:27:55,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:55,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:27:55,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:27:55,593 INFO L87 Difference]: Start difference. First operand 220 states and 295 transitions. Second operand 4 states. [2021-10-11 02:27:55,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:55,676 INFO L93 Difference]: Finished difference Result 477 states and 641 transitions. [2021-10-11 02:27:55,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:27:55,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2021-10-11 02:27:55,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:55,683 INFO L225 Difference]: With dead ends: 477 [2021-10-11 02:27:55,683 INFO L226 Difference]: Without dead ends: 263 [2021-10-11 02:27:55,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:27:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-10-11 02:27:55,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 197. [2021-10-11 02:27:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2021-10-11 02:27:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2021-10-11 02:27:55,707 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 50 [2021-10-11 02:27:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:55,708 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2021-10-11 02:27:55,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:27:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2021-10-11 02:27:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:27:55,709 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:55,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:55,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2021-10-11 02:27:55,910 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:55,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2021-10-11 02:27:55,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:55,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853522090] [2021-10-11 02:27:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:56,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:27:56,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:56,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:56,242 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:27:56,243 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:27:56,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:56,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853522090] [2021-10-11 02:27:56,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1087991244] [2021-10-11 02:27:56,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:56,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:56,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:27:56,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:56,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:27:56,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2021-10-11 02:27:56,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183200545] [2021-10-11 02:27:56,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:56,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-10-11 02:27:56,648 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand 5 states. [2021-10-11 02:27:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:56,788 INFO L93 Difference]: Finished difference Result 677 states and 914 transitions. [2021-10-11 02:27:56,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:27:56,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:27:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:56,792 INFO L225 Difference]: With dead ends: 677 [2021-10-11 02:27:56,792 INFO L226 Difference]: Without dead ends: 509 [2021-10-11 02:27:56,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:27:56,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-10-11 02:27:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 203. [2021-10-11 02:27:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:27:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2021-10-11 02:27:56,837 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 51 [2021-10-11 02:27:56,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:56,838 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2021-10-11 02:27:56,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2021-10-11 02:27:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 02:27:56,839 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:56,839 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:57,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2021-10-11 02:27:57,244 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:57,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:57,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2021-10-11 02:27:57,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:57,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946338423] [2021-10-11 02:27:57,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:57,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:27:57,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:57,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:57,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946338423] [2021-10-11 02:27:57,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1262698272] [2021-10-11 02:27:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:57,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:27:57,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:27:57,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:27:57,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-10-11 02:27:57,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 13 [2021-10-11 02:27:57,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191860362] [2021-10-11 02:27:57,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:27:57,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:57,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:27:57,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:27:57,890 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand 5 states. [2021-10-11 02:27:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:27:58,132 INFO L93 Difference]: Finished difference Result 548 states and 711 transitions. [2021-10-11 02:27:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:27:58,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 02:27:58,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:27:58,136 INFO L225 Difference]: With dead ends: 548 [2021-10-11 02:27:58,137 INFO L226 Difference]: Without dead ends: 546 [2021-10-11 02:27:58,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:27:58,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2021-10-11 02:27:58,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 203. [2021-10-11 02:27:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2021-10-11 02:27:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 262 transitions. [2021-10-11 02:27:58,168 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 262 transitions. Word has length 51 [2021-10-11 02:27:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:27:58,169 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 262 transitions. [2021-10-11 02:27:58,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:27:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 262 transitions. [2021-10-11 02:27:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 02:27:58,170 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:27:58,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:27:58,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:58,582 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:27:58,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:27:58,583 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2021-10-11 02:27:58,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:27:58,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1437860513] [2021-10-11 02:27:58,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2021-10-11 02:27:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:58,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:27:58,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:58,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:58,891 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2021-10-11 02:27:58,892 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:27:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:58,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1437860513] [2021-10-11 02:27:58,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2144846828] [2021-10-11 02:27:58,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2021-10-11 02:27:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:59,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:59,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779139598] [2021-10-11 02:27:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:27:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:27:59,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:27:59,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:27:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:59,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:27:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 02:27:59,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-11 02:27:59,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-11 02:27:59,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366710456] [2021-10-11 02:27:59,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 02:27:59,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:27:59,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 02:27:59,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-11 02:27:59,654 INFO L87 Difference]: Start difference. First operand 203 states and 262 transitions. Second operand 13 states. [2021-10-11 02:28:05,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:05,551 INFO L93 Difference]: Finished difference Result 1779 states and 2364 transitions. [2021-10-11 02:28:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-11 02:28:05,551 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 52 [2021-10-11 02:28:05,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:05,560 INFO L225 Difference]: With dead ends: 1779 [2021-10-11 02:28:05,560 INFO L226 Difference]: Without dead ends: 1605 [2021-10-11 02:28:05,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2218 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-11 02:28:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2021-10-11 02:28:05,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 277. [2021-10-11 02:28:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2021-10-11 02:28:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 368 transitions. [2021-10-11 02:28:05,612 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 368 transitions. Word has length 52 [2021-10-11 02:28:05,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:05,612 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 368 transitions. [2021-10-11 02:28:05,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 02:28:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 368 transitions. [2021-10-11 02:28:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 02:28:05,613 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:28:05,614 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:28:06,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2021-10-11 02:28:06,231 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:28:06,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:28:06,232 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2021-10-11 02:28:06,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:28:06,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909082370] [2021-10-11 02:28:06,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2021-10-11 02:28:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:28:06,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:28:06,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:28:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 02:28:06,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:28:06,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909082370] [2021-10-11 02:28:06,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:28:06,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:28:06,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827803046] [2021-10-11 02:28:06,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:28:06,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:28:06,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:28:06,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:28:06,552 INFO L87 Difference]: Start difference. First operand 277 states and 368 transitions. Second operand 5 states. [2021-10-11 02:28:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:28:06,618 INFO L93 Difference]: Finished difference Result 438 states and 575 transitions. [2021-10-11 02:28:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:28:06,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 02:28:06,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:28:06,619 INFO L225 Difference]: With dead ends: 438 [2021-10-11 02:28:06,619 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:28:06,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:28:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:28:06,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:28:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:28:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:28:06,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-11 02:28:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:28:06,620 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:28:06,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:28:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:28:06,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:06,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2021-10-11 02:28:06,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:28:07,026 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2021-10-11 02:28:07,266 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2021-10-11 02:28:07,480 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2021-10-11 02:28:07,671 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2021-10-11 02:28:08,131 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2021-10-11 02:28:08,327 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2021-10-11 02:28:08,735 WARN L197 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2021-10-11 02:28:09,487 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2021-10-11 02:28:09,591 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2021-10-11 02:28:10,403 WARN L197 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 37 [2021-10-11 02:28:11,060 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2021-10-11 02:28:11,293 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2021-10-11 02:28:11,682 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 45 [2021-10-11 02:28:12,079 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2021-10-11 02:28:12,730 WARN L197 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2021-10-11 02:28:13,323 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2021-10-11 02:28:13,409 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,410 INFO L262 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,410 INFO L262 CegarLoopResult]: For program point L863-2(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,410 INFO L262 CegarLoopResult]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,410 INFO L262 CegarLoopResult]: For program point L863-5(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,410 INFO L258 CegarLoopResult]: At program point L665(lines 660 668) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) .cse1 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:13,411 INFO L262 CegarLoopResult]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,411 INFO L258 CegarLoopResult]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2021-10-11 02:28:13,411 INFO L262 CegarLoopResult]: For program point L863-8(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,411 INFO L258 CegarLoopResult]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2021-10-11 02:28:13,411 INFO L262 CegarLoopResult]: For program point L863-9(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,411 INFO L258 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:13,411 INFO L262 CegarLoopResult]: For program point L863-11(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L863-12(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L863-14(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L863-15(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L863-17(lines 863 867) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-10-11 02:28:13,412 INFO L262 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2021-10-11 02:28:13,413 INFO L258 CegarLoopResult]: At program point L931-1(lines 931 937) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2021-10-11 02:28:13,413 INFO L265 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-10-11 02:28:13,413 INFO L262 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,413 INFO L262 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,413 INFO L262 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,413 INFO L262 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,413 INFO L262 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,414 INFO L262 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-10-11 02:28:13,414 INFO L258 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (and .cse0 .cse3 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2) (and .cse0 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2021-10-11 02:28:13,414 INFO L262 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 02:28:13,414 INFO L258 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-10-11 02:28:13,414 INFO L258 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-10-11 02:28:13,414 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869(lines 854 872) the Hoare annotation is: false [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869-1(lines 854 872) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse6 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse4 .cse5 .cse6 .cse7) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse1 .cse4 .cse6 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869-2(lines 854 872) the Hoare annotation is: false [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869-3(lines 854 872) the Hoare annotation is: false [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869-4(lines 854 872) the Hoare annotation is: false [2021-10-11 02:28:13,415 INFO L258 CegarLoopResult]: At program point L869-5(lines 854 872) the Hoare annotation is: false [2021-10-11 02:28:13,416 INFO L258 CegarLoopResult]: At program point L572(lines 1 966) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L673(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L673-1(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,416 INFO L262 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L673-2(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L673-3(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L673-4(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L673-5(lines 673 679) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-10-11 02:28:13,417 INFO L262 CegarLoopResult]: For program point L941(lines 941 954) no Hoare annotation was computed. [2021-10-11 02:28:13,418 INFO L258 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and (= (bvadd ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv4294967295 32)) (_ bv0 32)) .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse3 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32))) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:13,418 INFO L258 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-10-11 02:28:13,418 INFO L258 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-10-11 02:28:13,418 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,418 INFO L262 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,418 INFO L262 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,418 INFO L258 CegarLoopResult]: At program point L678(lines 669 682) the Hoare annotation is: false [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L678-1(lines 669 682) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse4 (= (bvadd |ULTIMATE.start_isHighWaterSensorDry_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (and .cse0 .cse3 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2 .cse4) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse0 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse1 .cse2 .cse4))) [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L678-2(lines 669 682) the Hoare annotation is: false [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L678-3(lines 669 682) the Hoare annotation is: false [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L678-4(lines 669 682) the Hoare annotation is: false [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L678-5(lines 669 682) the Hoare annotation is: false [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L580(lines 575 583) the Hoare annotation is: (and (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0) (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:13,419 INFO L258 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2021-10-11 02:28:13,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:13,420 INFO L262 CegarLoopResult]: For program point L912(lines 911 958) no Hoare annotation was computed. [2021-10-11 02:28:13,420 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 02:28:13,420 INFO L262 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-10-11 02:28:13,420 INFO L258 CegarLoopResult]: At program point L814(lines 809 817) the Hoare annotation is: false [2021-10-11 02:28:13,420 INFO L258 CegarLoopResult]: At program point L814-1(lines 809 817) the Hoare annotation is: false [2021-10-11 02:28:13,420 INFO L258 CegarLoopResult]: At program point L814-2(lines 809 817) the Hoare annotation is: false [2021-10-11 02:28:13,421 INFO L262 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:28:13,421 INFO L258 CegarLoopResult]: At program point L419-1(lines 1 966) the Hoare annotation is: (let ((.cse1 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967294 32))) .cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32))) (= (_ bv0 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)))) [2021-10-11 02:28:13,421 INFO L262 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:28:13,421 INFO L258 CegarLoopResult]: At program point L419-3(lines 1 966) the Hoare annotation is: false [2021-10-11 02:28:13,421 INFO L262 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2021-10-11 02:28:13,421 INFO L258 CegarLoopResult]: At program point L419-5(lines 1 966) the Hoare annotation is: false [2021-10-11 02:28:13,421 INFO L262 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L453-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 02:28:13,422 INFO L262 CegarLoopResult]: For program point L949(lines 949 953) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L258 CegarLoopResult]: At program point L949-2(lines 703 709) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2021-10-11 02:28:13,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L262 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L262 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L262 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L262 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2021-10-11 02:28:13,423 INFO L258 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:13,424 INFO L258 CegarLoopResult]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2021-10-11 02:28:13,424 INFO L258 CegarLoopResult]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2021-10-11 02:28:13,424 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:28:13,424 INFO L262 CegarLoopResult]: For program point L921(lines 921 927) no Hoare annotation was computed. [2021-10-11 02:28:13,424 INFO L258 CegarLoopResult]: At program point L921-1(lines 921 927) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) (bvadd ~waterLevel~0 (_ bv4294967294 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse2 (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 (= (bvadd ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv4294967295 32)) (_ bv0 32)) .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) .cse0 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 (= (_ bv1 32) |ULTIMATE.start_valid_product_#res|) .cse1 .cse2))) [2021-10-11 02:28:13,424 INFO L258 CegarLoopResult]: At program point L888(lines 873 891) the Hoare annotation is: (and (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (bvadd ~waterLevel~0 (_ bv4294967295 32)) (_ bv0 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32)) (= (bvadd ~systemActive~0 (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv0 32) (bvadd ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv4294967295 32))) (= (bvadd |ULTIMATE.start_isLowWaterLevel_#res| (_ bv4294967295 32)) (_ bv0 32))) [2021-10-11 02:28:13,425 INFO L258 CegarLoopResult]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2021-10-11 02:28:13,425 INFO L258 CegarLoopResult]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2021-10-11 02:28:13,425 INFO L262 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-10-11 02:28:13,425 INFO L265 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2021-10-11 02:28:13,425 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:28:13,425 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 02:28:13,425 INFO L258 CegarLoopResult]: At program point L959(lines 910 960) the Hoare annotation is: false [2021-10-11 02:28:13,425 INFO L262 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:28:13,426 INFO L262 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:28:13,426 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-10-11 02:28:13,426 INFO L262 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-10-11 02:28:13,426 INFO L262 CegarLoopResult]: For program point L596-3(lines 596 600) no Hoare annotation was computed. [2021-10-11 02:28:13,426 INFO L262 CegarLoopResult]: For program point L596-6(lines 596 600) no Hoare annotation was computed. [2021-10-11 02:28:13,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:13 BoogieIcfgContainer [2021-10-11 02:28:13,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:13,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:13,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:13,457 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:13,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:27:46" (3/4) ... [2021-10-11 02:28:13,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:13,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 02:28:13,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 02:28:13,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:28:13,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:28:13,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:13,484 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:13,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:13,509 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:13,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:13,510 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:28:13,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:13,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:13,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:13,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) [2021-10-11 02:28:13,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((tmp == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:28:13,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:28:13,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 [2021-10-11 02:28:13,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) [2021-10-11 02:28:13,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:28:13,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((!(0bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) [2021-10-11 02:28:13,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2869f246-1c03-4e67-adb9-74fcfc70204e/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:13,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:13,567 INFO L168 Benchmark]: Toolchain (without parser) took 30881.92 ms. Allocated memory was 50.3 MB in the beginning and 130.0 MB in the end (delta: 79.7 MB). Free memory was 26.4 MB in the beginning and 37.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,567 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 50.3 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:13,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.17 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 39.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.84 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,568 INFO L168 Benchmark]: Boogie Preprocessor took 85.85 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 33.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,569 INFO L168 Benchmark]: RCFGBuilder took 2775.34 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 36.8 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,569 INFO L168 Benchmark]: TraceAbstraction took 27090.38 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 36.3 MB in the beginning and 46.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,570 INFO L168 Benchmark]: Witness Printer took 109.54 ms. Allocated memory is still 130.0 MB. Free memory was 46.7 MB in the beginning and 37.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:13,572 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 50.3 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.17 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.2 MB in the beginning and 39.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.84 ms. Allocated memory is still 60.8 MB. Free memory was 39.9 MB in the beginning and 36.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.85 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 33.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2775.34 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 36.8 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27090.38 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 36.3 MB in the beginning and 46.7 MB in the end (delta: -10.3 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. * Witness Printer took 109.54 ms. Allocated memory is still 130.0 MB. Free memory was 46.7 MB in the beginning and 37.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && tmp == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(tmp___0, 4294967295bv32)) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || ((((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((((((!(0bv32 == \result) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && splverifierCounter == 0bv32) && tmp___0 == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32)) || (((((tmp == 0bv32 && splverifierCounter == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) || (((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result)) || (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && !(tmp == 0bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32))) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && ~bvadd64(tmp, 4294967295bv32) == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && 2bv32 == \result) && 0bv32 == ~bvadd64(tmp, 4294967294bv32)) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((~bvadd64(waterLevel, 4294967295bv32) == 0bv32 && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((((~bvadd64(tmp, 4294967295bv32) == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && 0bv32 == pumpRunning) && 1bv32 == \result) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && ~bvadd64(\result, 4294967295bv32) == 0bv32) || (((((!(0bv32 == \result) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32)) || ((((tmp == 0bv32 && splverifierCounter == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32) && 0bv32 == ~bvadd64(waterLevel, 4294967294bv32)) && 0bv32 == \result) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((!(0bv32 == \result) && tmp == 0bv32) && splverifierCounter == 0bv32) && ~bvadd64(waterLevel, 4294967295bv32) == 0bv32) && !(tmp == 0bv32)) && \result == 0bv32) && ~bvadd64(systemActive, 4294967295bv32) == 0bv32 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1594 SDtfs, 3676 SDslu, 3791 SDs, 0 SdLazy, 867 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 907 SyntacticMatches, 1 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2252 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 2411 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 108 NumberOfFragments, 869 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1326166 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 481464 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 147143 SizeOfPredicates, 43 NumberOfNonLiveVariables, 4016 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 153/231 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...