./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8 --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 be57a8909169924934bb5133fe0a47f53bebc905 ............................................................................................................................................ 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_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8 --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 be57a8909169924934bb5133fe0a47f53bebc905 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:47:24,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:47:24,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:47:25,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:47:25,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:47:25,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:47:25,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:47:25,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:47:25,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:47:25,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:47:25,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:47:25,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:47:25,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:47:25,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:47:25,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:47:25,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:47:25,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:47:25,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:47:25,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:47:25,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:47:25,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:47:25,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:47:25,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:47:25,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:47:25,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:47:25,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:47:25,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:47:25,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:47:25,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:47:25,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:47:25,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:47:25,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:47:25,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:47:25,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:47:25,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:47:25,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:47:25,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:47:25,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:47:25,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:47:25,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:47:25,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:47:25,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:47:25,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:47:25,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:47:25,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:47:25,212 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:47:25,212 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:47:25,213 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:47:25,213 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:47:25,213 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:47:25,221 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:47:25,222 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:47:25,223 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:47:25,224 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:47:25,224 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:47:25,224 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:47:25,224 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:47:25,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:47:25,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:47:25,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:47:25,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:47:25,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:47:25,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:47:25,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:47:25,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:47:25,228 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:47:25,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:47:25,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:47:25,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:47:25,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:47:25,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:47:25,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:47:25,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:25,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:47:25,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:47:25,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:47:25,233 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:47:25,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:47:25,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:47:25,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:47:25,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:47:25,235 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_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be57a8909169924934bb5133fe0a47f53bebc905 [2021-10-13 06:47:25,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:47:25,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:47:25,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:47:25,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:47:25,669 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:47:25,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 06:47:25,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/c7ec379af/87932ae74ced4a5991873249596133e4/FLAG2024c2a1e [2021-10-13 06:47:26,423 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:47:26,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 06:47:26,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/c7ec379af/87932ae74ced4a5991873249596133e4/FLAG2024c2a1e [2021-10-13 06:47:26,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/c7ec379af/87932ae74ced4a5991873249596133e4 [2021-10-13 06:47:26,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:47:26,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:47:26,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:26,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:47:26,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:47:26,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:26" (1/1) ... [2021-10-13 06:47:26,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430871d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:26, skipping insertion in model container [2021-10-13 06:47:26,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:26" (1/1) ... [2021-10-13 06:47:26,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:47:26,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:27,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 06:47:27,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:27,217 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) [2021-10-13 06:47:27,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e4ff08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:27, skipping insertion in model container [2021-10-13 06:47:27,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:27,219 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 06:47:27,222 INFO L168 Benchmark]: Toolchain (without parser) took 513.39 ms. Allocated memory is still 117.4 MB. Free memory was 77.2 MB in the beginning and 89.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:27,224 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 117.4 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:27,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.01 ms. Allocated memory is still 117.4 MB. Free memory was 77.0 MB in the beginning and 89.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:27,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 117.4 MB. Free memory was 94.3 MB in the beginning and 94.2 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 508.01 ms. Allocated memory is still 117.4 MB. Free memory was 77.0 MB in the beginning and 89.8 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 209]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 06:47:29,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:47:29,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:47:29,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:47:29,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:47:29,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:47:29,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:47:29,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:47:29,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:47:29,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:47:29,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:47:29,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:47:29,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:47:29,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:47:29,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:47:29,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:47:29,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:47:29,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:47:29,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:47:30,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:47:30,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:47:30,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:47:30,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:47:30,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:47:30,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:47:30,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:47:30,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:47:30,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:47:30,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:47:30,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:47:30,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:47:30,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:47:30,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:47:30,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:47:30,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:47:30,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:47:30,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:47:30,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:47:30,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:47:30,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:47:30,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:47:30,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 06:47:30,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:47:30,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:47:30,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:47:30,131 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:47:30,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:47:30,131 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:47:30,132 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:47:30,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:47:30,133 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:47:30,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:47:30,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:47:30,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:47:30,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:47:30,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:47:30,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:47:30,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:47:30,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:47:30,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 06:47:30,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 06:47:30,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:47:30,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:47:30,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:47:30,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:47:30,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:47:30,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 06:47:30,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:47:30,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:30,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:47:30,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:47:30,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:47:30,142 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 06:47:30,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 06:47:30,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:47:30,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:47:30,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:47:30,144 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_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be57a8909169924934bb5133fe0a47f53bebc905 [2021-10-13 06:47:30,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:47:30,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:47:30,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:47:30,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:47:30,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:47:30,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 06:47:30,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/9f902e201/60ffebd2eb384faa9bf12e5746f7ec4e/FLAG0df0b1204 [2021-10-13 06:47:31,533 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:47:31,550 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-13 06:47:31,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/9f902e201/60ffebd2eb384faa9bf12e5746f7ec4e/FLAG0df0b1204 [2021-10-13 06:47:31,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/data/9f902e201/60ffebd2eb384faa9bf12e5746f7ec4e [2021-10-13 06:47:31,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:47:31,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:47:31,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:31,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:47:31,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:47:31,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:31" (1/1) ... [2021-10-13 06:47:31,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524ad548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:31, skipping insertion in model container [2021-10-13 06:47:31,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:47:31" (1/1) ... [2021-10-13 06:47:31,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:47:31,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:32,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 06:47:32,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:32,436 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 06:47:32,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:47:32,521 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 06:47:32,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:32,528 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:47:32,631 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-13 06:47:32,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:47:32,658 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:47:32,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32 WrapperNode [2021-10-13 06:47:32,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:47:32,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:47:32,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:47:32,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:47:32,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:47:32,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:47:32,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:47:32,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:47:32,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:47:32,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:47:32,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:47:32,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:47:32,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (1/1) ... [2021-10-13 06:47:32,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:47:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:47:32,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:47:32,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:47:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:47:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 06:47:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:47:33,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:47:36,128 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:47:36,129 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 06:47:36,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:36 BoogieIcfgContainer [2021-10-13 06:47:36,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:47:36,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:47:36,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:47:36,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:47:36,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:47:31" (1/3) ... [2021-10-13 06:47:36,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:47:36, skipping insertion in model container [2021-10-13 06:47:36,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:47:32" (2/3) ... [2021-10-13 06:47:36,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fdbbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:47:36, skipping insertion in model container [2021-10-13 06:47:36,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:36" (3/3) ... [2021-10-13 06:47:36,142 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2021-10-13 06:47:36,149 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:47:36,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 06:47:36,208 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:47:36,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 06:47:36,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 06:47:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 06:47:36,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:36,245 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:36,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:36,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:36,253 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-13 06:47:36,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:36,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233292761] [2021-10-13 06:47:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:36,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:36,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:36,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:36,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 06:47:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:36,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 06:47:36,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:36,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:36,781 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:36,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233292761] [2021-10-13 06:47:36,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233292761] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:36,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:36,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:47:36,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386697977] [2021-10-13 06:47:36,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 06:47:36,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:36,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 06:47:36,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:47:36,818 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:36,882 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-13 06:47:36,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 06:47:36,884 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 06:47:36,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:36,902 INFO L225 Difference]: With dead ends: 208 [2021-10-13 06:47:36,902 INFO L226 Difference]: Without dead ends: 103 [2021-10-13 06:47:36,907 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 06:47:36,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-13 06:47:36,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-13 06:47:36,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-13 06:47:36,979 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-13 06:47:36,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:36,979 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-13 06:47:36,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-13 06:47:36,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:47:36,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:36,985 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:37,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 06:47:37,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:37,201 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:37,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:37,207 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-13 06:47:37,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:37,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950061669] [2021-10-13 06:47:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:37,208 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:37,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:37,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 06:47:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:37,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:47:37,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:37,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:37,639 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:37,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950061669] [2021-10-13 06:47:37,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950061669] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:37,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:37,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 06:47:37,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38285448] [2021-10-13 06:47:37,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:37,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:37,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:37,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:37,645 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:37,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:37,663 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-13 06:47:37,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:47:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 06:47:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:37,665 INFO L225 Difference]: With dead ends: 103 [2021-10-13 06:47:37,665 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 06:47:37,666 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 06:47:37,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 06:47:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 06:47:37,674 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-13 06:47:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:37,674 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 06:47:37,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 06:47:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 06:47:37,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:37,676 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:37,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:37,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:37,890 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:37,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:37,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-13 06:47:37,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:37,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489610603] [2021-10-13 06:47:37,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:37,892 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:37,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:37,894 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:37,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 06:47:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:38,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:47:38,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:38,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:38,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:38,392 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:38,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489610603] [2021-10-13 06:47:38,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489610603] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:38,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:38,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 06:47:38,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851225390] [2021-10-13 06:47:38,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:47:38,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:47:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:38,397 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:38,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:38,454 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-13 06:47:38,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:47:38,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 06:47:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:38,457 INFO L225 Difference]: With dead ends: 146 [2021-10-13 06:47:38,457 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 06:47:38,458 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:47:38,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 06:47:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-13 06:47:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-13 06:47:38,471 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-13 06:47:38,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:38,472 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-13 06:47:38,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:38,472 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-13 06:47:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 06:47:38,474 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:38,474 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:38,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:38,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:38,699 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:38,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:38,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-13 06:47:38,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:38,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290217078] [2021-10-13 06:47:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:38,701 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:38,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:38,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 06:47:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:38,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:47:38,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:39,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:39,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:39,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:39,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290217078] [2021-10-13 06:47:39,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290217078] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:39,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:39,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 06:47:39,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096134810] [2021-10-13 06:47:39,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 06:47:39,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 06:47:39,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:47:39,253 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:39,615 INFO L93 Difference]: Finished difference Result 483 states and 740 transitions. [2021-10-13 06:47:39,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 06:47:39,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 06:47:39,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:39,623 INFO L225 Difference]: With dead ends: 483 [2021-10-13 06:47:39,623 INFO L226 Difference]: Without dead ends: 425 [2021-10-13 06:47:39,629 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 150.8ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 06:47:39,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-10-13 06:47:39,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 166. [2021-10-13 06:47:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-10-13 06:47:39,697 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-10-13 06:47:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:39,698 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-10-13 06:47:39,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:39,699 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-10-13 06:47:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 06:47:39,707 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:39,707 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:39,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:39,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:39,932 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2021-10-13 06:47:39,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:39,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109894205] [2021-10-13 06:47:39,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:39,934 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:39,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:39,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:39,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 06:47:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:40,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:47:40,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:40,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:40,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:40,361 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109894205] [2021-10-13 06:47:40,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109894205] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:40,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:40,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 06:47:40,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594006054] [2021-10-13 06:47:40,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:47:40,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:40,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:47:40,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:47:40,369 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:41,895 INFO L93 Difference]: Finished difference Result 414 states and 606 transitions. [2021-10-13 06:47:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:47:41,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 06:47:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:41,899 INFO L225 Difference]: With dead ends: 414 [2021-10-13 06:47:41,899 INFO L226 Difference]: Without dead ends: 254 [2021-10-13 06:47:41,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:47:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-10-13 06:47:41,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 252. [2021-10-13 06:47:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 251 states have (on average 1.4223107569721116) internal successors, (357), 251 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 357 transitions. [2021-10-13 06:47:41,946 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 357 transitions. Word has length 25 [2021-10-13 06:47:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:41,947 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 357 transitions. [2021-10-13 06:47:41,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2021-10-13 06:47:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:47:41,949 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:41,949 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:47:41,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:42,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:42,165 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:42,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1818191244, now seen corresponding path program 1 times [2021-10-13 06:47:42,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:42,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302095541] [2021-10-13 06:47:42,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:42,167 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:42,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:42,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 06:47:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:42,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 06:47:42,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:42,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:42,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:42,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302095541] [2021-10-13 06:47:42,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [302095541] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:42,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:47:42,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 06:47:42,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789338464] [2021-10-13 06:47:42,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:47:42,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:42,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:47:42,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:47:42,695 INFO L87 Difference]: Start difference. First operand 252 states and 357 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:42,724 INFO L93 Difference]: Finished difference Result 364 states and 522 transitions. [2021-10-13 06:47:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:47:42,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 06:47:42,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:42,727 INFO L225 Difference]: With dead ends: 364 [2021-10-13 06:47:42,727 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 06:47:42,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:47:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 06:47:42,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-13 06:47:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-10-13 06:47:42,742 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 26 [2021-10-13 06:47:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:42,743 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-10-13 06:47:42,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-10-13 06:47:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 06:47:42,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:47:42,748 INFO L512 BasicCegarLoop]: trace histogram [2, 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] [2021-10-13 06:47:42,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:42,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 06:47:42,964 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 06:47:42,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:47:42,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2021-10-13 06:47:42,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 06:47:42,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507815578] [2021-10-13 06:47:42,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:42,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 06:47:42,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 06:47:42,968 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 06:47:42,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 06:47:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:43,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 06:47:43,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:43,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:47:43,699 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 06:47:43,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507815578] [2021-10-13 06:47:43,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507815578] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 06:47:43,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1315597040] [2021-10-13 06:47:43,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:47:43,700 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 06:47:43,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 06:47:43,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 06:47:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 06:47:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:47:44,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 06:47:44,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 06:47:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 06:47:44,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 06:47:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-13 06:47:44,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1315597040] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 06:47:44,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 06:47:44,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 06:47:44,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708995544] [2021-10-13 06:47:44,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:47:44,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 06:47:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:47:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 06:47:44,374 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:47:44,525 INFO L93 Difference]: Finished difference Result 242 states and 328 transitions. [2021-10-13 06:47:44,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:47:44,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-10-13 06:47:44,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:47:44,527 INFO L225 Difference]: With dead ends: 242 [2021-10-13 06:47:44,527 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 06:47:44,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 97.8ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-13 06:47:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 06:47:44,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 06:47:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 06:47:44,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-10-13 06:47:44,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:47:44,536 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 06:47:44,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 06:47:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 06:47:44,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 06:47:44,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:44,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:44,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:47:44,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:44,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 06:47:44,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 06:47:44,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 06:47:44,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 06:47:45,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,511 INFO L853 garLoopResultBuilder]: At program point L168(lines 1 957) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,511 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,511 INFO L857 garLoopResultBuilder]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,511 INFO L857 garLoopResultBuilder]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,511 INFO L857 garLoopResultBuilder]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,511 INFO L857 garLoopResultBuilder]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,512 INFO L857 garLoopResultBuilder]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2021-10-13 06:47:45,513 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,513 INFO L853 garLoopResultBuilder]: At program point L700(lines 651 701) the Hoare annotation is: false [2021-10-13 06:47:45,513 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 945) no Hoare annotation was computed. [2021-10-13 06:47:45,513 INFO L853 garLoopResultBuilder]: At program point L932-1(lines 1 957) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,513 INFO L857 garLoopResultBuilder]: For program point L932-2(lines 932 945) no Hoare annotation was computed. [2021-10-13 06:47:45,513 INFO L853 garLoopResultBuilder]: At program point L932-3(lines 1 957) the Hoare annotation is: false [2021-10-13 06:47:45,514 INFO L857 garLoopResultBuilder]: For program point L932-4(lines 932 945) no Hoare annotation was computed. [2021-10-13 06:47:45,514 INFO L853 garLoopResultBuilder]: At program point L932-5(lines 1 957) the Hoare annotation is: false [2021-10-13 06:47:45,514 INFO L853 garLoopResultBuilder]: At program point L636(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,514 INFO L853 garLoopResultBuilder]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,514 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-13 06:47:45,514 INFO L853 garLoopResultBuilder]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,515 INFO L853 garLoopResultBuilder]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,515 INFO L853 garLoopResultBuilder]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,515 INFO L853 garLoopResultBuilder]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2021-10-13 06:47:45,515 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-13 06:47:45,515 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,515 INFO L853 garLoopResultBuilder]: At program point L176(lines 171 179) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,516 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 942) no Hoare annotation was computed. [2021-10-13 06:47:45,516 INFO L853 garLoopResultBuilder]: At program point L903(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,516 INFO L853 garLoopResultBuilder]: At program point L903-1(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,516 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 942) no Hoare annotation was computed. [2021-10-13 06:47:45,516 INFO L853 garLoopResultBuilder]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,516 INFO L853 garLoopResultBuilder]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,517 INFO L857 garLoopResultBuilder]: For program point L936-4(lines 936 942) no Hoare annotation was computed. [2021-10-13 06:47:45,517 INFO L853 garLoopResultBuilder]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,517 INFO L853 garLoopResultBuilder]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2021-10-13 06:47:45,517 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2021-10-13 06:47:45,517 INFO L853 garLoopResultBuilder]: At program point L672-1(lines 672 678) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,522 INFO L853 garLoopResultBuilder]: At program point L839(lines 832 842) the Hoare annotation is: false [2021-10-13 06:47:45,523 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2021-10-13 06:47:45,523 INFO L853 garLoopResultBuilder]: At program point L839-2(lines 832 842) the Hoare annotation is: false [2021-10-13 06:47:45,523 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 795) no Hoare annotation was computed. [2021-10-13 06:47:45,523 INFO L857 garLoopResultBuilder]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2021-10-13 06:47:45,523 INFO L857 garLoopResultBuilder]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2021-10-13 06:47:45,523 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 917) no Hoare annotation was computed. [2021-10-13 06:47:45,523 INFO L853 garLoopResultBuilder]: At program point L911-1(lines 911 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,523 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 06:47:45,524 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 586) no Hoare annotation was computed. [2021-10-13 06:47:45,524 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-13 06:47:45,524 INFO L857 garLoopResultBuilder]: For program point L682(lines 682 695) no Hoare annotation was computed. [2021-10-13 06:47:45,524 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-13 06:47:45,524 INFO L853 garLoopResultBuilder]: At program point L848(lines 843 851) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,524 INFO L853 garLoopResultBuilder]: At program point L848-1(lines 843 851) the Hoare annotation is: false [2021-10-13 06:47:45,524 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 790) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L853 garLoopResultBuilder]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 720 726) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,525 INFO L857 garLoopResultBuilder]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,526 INFO L857 garLoopResultBuilder]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,526 INFO L857 garLoopResultBuilder]: For program point L653(lines 652 699) no Hoare annotation was computed. [2021-10-13 06:47:45,526 INFO L857 garLoopResultBuilder]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,526 INFO L857 garLoopResultBuilder]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,526 INFO L857 garLoopResultBuilder]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2021-10-13 06:47:45,527 INFO L853 garLoopResultBuilder]: At program point L720(lines 719 738) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,527 INFO L857 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2021-10-13 06:47:45,527 INFO L857 garLoopResultBuilder]: For program point L654(lines 654 658) no Hoare annotation was computed. [2021-10-13 06:47:45,527 INFO L853 garLoopResultBuilder]: At program point L720-2(lines 719 738) the Hoare annotation is: false [2021-10-13 06:47:45,528 INFO L853 garLoopResultBuilder]: At program point L720-3(lines 719 738) the Hoare annotation is: false [2021-10-13 06:47:45,528 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2021-10-13 06:47:45,528 INFO L853 garLoopResultBuilder]: At program point L688-1(lines 720 726) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,528 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 06:47:45,529 INFO L857 garLoopResultBuilder]: For program point L954(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,529 INFO L857 garLoopResultBuilder]: For program point L954-1(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,529 INFO L857 garLoopResultBuilder]: For program point L954-2(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,529 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,529 INFO L857 garLoopResultBuilder]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,530 INFO L857 garLoopResultBuilder]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,530 INFO L857 garLoopResultBuilder]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,530 INFO L857 garLoopResultBuilder]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,530 INFO L857 garLoopResultBuilder]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2021-10-13 06:47:45,530 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-10-13 06:47:45,531 INFO L857 garLoopResultBuilder]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2021-10-13 06:47:45,531 INFO L857 garLoopResultBuilder]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2021-10-13 06:47:45,531 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 06:47:45,531 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 954) no Hoare annotation was computed. [2021-10-13 06:47:45,532 INFO L853 garLoopResultBuilder]: At program point L627(lines 622 630) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,532 INFO L853 garLoopResultBuilder]: At program point L627-1(lines 622 630) the Hoare annotation is: false [2021-10-13 06:47:45,532 INFO L853 garLoopResultBuilder]: At program point L627-2(lines 622 630) the Hoare annotation is: false [2021-10-13 06:47:45,532 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-13 06:47:45,532 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-13 06:47:45,533 INFO L853 garLoopResultBuilder]: At program point L727(lines 727 733) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,533 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2021-10-13 06:47:45,533 INFO L853 garLoopResultBuilder]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2021-10-13 06:47:45,533 INFO L853 garLoopResultBuilder]: At program point L595(lines 590 598) the Hoare annotation is: false [2021-10-13 06:47:45,534 INFO L853 garLoopResultBuilder]: At program point L595-1(lines 590 598) the Hoare annotation is: false [2021-10-13 06:47:45,534 INFO L853 garLoopResultBuilder]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2021-10-13 06:47:45,534 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 668) no Hoare annotation was computed. [2021-10-13 06:47:45,534 INFO L853 garLoopResultBuilder]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 06:47:45,540 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:47:45,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:47:45 BoogieIcfgContainer [2021-10-13 06:47:45,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:47:45,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:47:45,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:47:45,560 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:47:45,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:47:36" (3/4) ... [2021-10-13 06:47:45,565 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 06:47:45,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 06:47:45,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 06:47:45,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 06:47:45,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 06:47:45,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 06:47:45,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:47:45,598 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 06:47:45,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 06:47:45,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:47:45,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:47:45,743 INFO L168 Benchmark]: Toolchain (without parser) took 13972.95 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 62.1 MB in the beginning and 38.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,744 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:47:45,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.03 ms. Allocated memory is still 77.6 MB. Free memory was 62.0 MB in the beginning and 46.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.36 ms. Allocated memory is still 77.6 MB. Free memory was 46.2 MB in the beginning and 42.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,746 INFO L168 Benchmark]: Boogie Preprocessor took 99.31 ms. Allocated memory is still 77.6 MB. Free memory was 42.7 MB in the beginning and 40.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,747 INFO L168 Benchmark]: RCFGBuilder took 3233.15 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 40.1 MB in the beginning and 59.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,747 INFO L168 Benchmark]: TraceAbstraction took 9424.89 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 47.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,748 INFO L168 Benchmark]: Witness Printer took 181.36 ms. Allocated memory is still 98.6 MB. Free memory was 47.2 MB in the beginning and 38.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:47:45,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 77.6 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 887.03 ms. Allocated memory is still 77.6 MB. Free memory was 62.0 MB in the beginning and 46.2 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.36 ms. Allocated memory is still 77.6 MB. Free memory was 46.2 MB in the beginning and 42.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.31 ms. Allocated memory is still 77.6 MB. Free memory was 42.7 MB in the beginning and 40.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3233.15 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 40.1 MB in the beginning and 59.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9424.89 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 47.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Witness Printer took 181.36 ms. Allocated memory is still 98.6 MB. Free memory was 47.2 MB in the beginning and 38.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 954]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9333.0ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 33.5ms, AutomataDifference: 2301.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 547.4ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 545 SDtfs, 993 SDslu, 811 SDs, 0 SdLazy, 153 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1676.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 290.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 201.9ms AutomataMinimizationTime, 7 MinimizatonAttempts, 304 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 147 NumberOfFragments, 128 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 415.5ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 116.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 217.8ms SsaConstructionTime, 1084.8ms SatisfiabilityAnalysisTime, 2124.7ms InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 844 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1614 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 46/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 06:47:45,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab35b4db-88a1-428a-86bc-789706e7f0ab/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...