./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE --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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 ............................................................................................................................................ 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE --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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:41:56,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:41:56,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:41:57,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:41:57,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:41:57,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:41:57,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:41:57,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:41:57,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:41:57,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:41:57,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:41:57,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:41:57,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:41:57,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:41:57,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:41:57,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:41:57,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:41:57,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:41:57,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:41:57,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:41:57,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:41:57,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:41:57,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:41:57,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:41:57,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:41:57,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:41:57,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:41:57,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:41:57,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:41:57,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:41:57,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:41:57,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:41:57,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:41:57,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:41:57,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:41:57,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:41:57,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:41:57,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:41:57,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:41:57,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:41:57,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:41:57,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:41:57,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:41:57,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:41:57,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:41:57,170 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:41:57,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:41:57,170 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:41:57,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:41:57,170 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:41:57,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:41:57,177 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:41:57,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:41:57,179 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:41:57,179 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:41:57,179 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:41:57,179 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:41:57,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:41:57,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:41:57,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:41:57,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:41:57,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:41:57,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:41:57,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:41:57,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:41:57,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:41:57,182 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:41:57,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:41:57,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:41:57,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:41:57,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:41:57,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:41:57,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:41:57,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:41:57,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:41:57,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:41:57,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:41:57,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:41:57,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:41:57,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:41:57,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:41:57,188 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-10-24 10:41:57,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:41:57,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:41:57,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:41:57,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:41:57,543 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:41:57,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-24 10:41:57,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/e87dc4d0c/5fa534306a49498eababfa17286f2d32/FLAGb27f8c6b1 [2021-10-24 10:41:58,186 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:41:58,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-24 10:41:58,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/e87dc4d0c/5fa534306a49498eababfa17286f2d32/FLAGb27f8c6b1 [2021-10-24 10:41:58,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/e87dc4d0c/5fa534306a49498eababfa17286f2d32 [2021-10-24 10:41:58,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:41:58,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:41:58,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:58,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:41:58,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:41:58,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:58" (1/1) ... [2021-10-24 10:41:58,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188ea26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:58, skipping insertion in model container [2021-10-24 10:41:58,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:58" (1/1) ... [2021-10-24 10:41:58,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:41:58,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:41:58,767 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-24 10:41:58,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:41:58,948 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) [2021-10-24 10:41:58,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@347973e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:58, skipping insertion in model container [2021-10-24 10:41:58,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:41:58,961 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:41:58,963 INFO L168 Benchmark]: Toolchain (without parser) took 501.07 ms. Allocated memory is still 127.9 MB. Free memory was 87.2 MB in the beginning and 99.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:58,965 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 127.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:41:58,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.60 ms. Allocated memory is still 127.9 MB. Free memory was 86.9 MB in the beginning and 99.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:41:58,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 127.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.60 ms. Allocated memory is still 127.9 MB. Free memory was 86.9 MB in the beginning and 99.6 MB in the end (delta: -12.6 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: 573]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:42:01,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:42:01,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:42:01,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:42:01,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:42:01,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:42:01,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:42:01,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:42:01,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:42:01,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:42:01,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:42:01,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:42:01,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:42:01,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:42:01,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:42:01,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:42:01,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:42:01,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:42:01,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:42:01,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:42:01,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:42:01,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:42:01,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:42:01,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:42:01,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:42:01,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:42:01,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:42:01,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:42:01,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:42:01,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:42:01,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:42:01,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:42:01,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:42:01,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:42:01,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:42:01,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:42:01,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:42:01,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:42:01,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:42:01,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:42:01,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:42:01,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:42:01,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:42:01,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:42:01,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:42:01,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:42:01,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:42:01,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:42:01,727 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:42:01,727 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:42:01,727 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:42:01,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:42:01,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:42:01,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:42:01,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:42:01,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:42:01,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:42:01,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:42:01,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:42:01,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:42:01,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:42:01,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:42:01,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:42:01,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:42:01,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:42:01,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:42:01,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:42:01,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:42:01,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:42:01,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:42:01,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:42:01,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:42:01,735 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:42:01,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:42:01,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:42:01,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:42:01,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:42:01,737 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-10-24 10:42:02,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:42:02,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:42:02,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:42:02,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:42:02,232 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:42:02,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-24 10:42:02,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/7a6059632/e3a3f41f4356493bb320a62df361d8b1/FLAGeb9dfd82e [2021-10-24 10:42:03,000 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:42:03,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-24 10:42:03,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/7a6059632/e3a3f41f4356493bb320a62df361d8b1/FLAGeb9dfd82e [2021-10-24 10:42:03,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/data/7a6059632/e3a3f41f4356493bb320a62df361d8b1 [2021-10-24 10:42:03,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:42:03,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:42:03,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:42:03,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:42:03,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:42:03,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:42:03" (1/1) ... [2021-10-24 10:42:03,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd74ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:03, skipping insertion in model container [2021-10-24 10:42:03,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:42:03" (1/1) ... [2021-10-24 10:42:03,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:42:03,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:42:03,488 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-24 10:42:03,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:42:03,735 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:42:03,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:42:03,751 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-24 10:42:03,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:42:03,877 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:42:03,901 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_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-24 10:42:03,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:42:04,010 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:42:04,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04 WrapperNode [2021-10-24 10:42:04,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:42:04,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:42:04,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:42:04,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:42:04,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:42:04,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:42:04,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:42:04,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:42:04,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:42:04,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:42:04,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:42:04,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:42:04,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (1/1) ... [2021-10-24 10:42:04,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:42:04,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:42:04,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:42:04,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:42:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:42:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:42:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:42:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:42:06,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:42:06,999 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-24 10:42:07,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:42:07 BoogieIcfgContainer [2021-10-24 10:42:07,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:42:07,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:42:07,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:42:07,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:42:07,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:42:03" (1/3) ... [2021-10-24 10:42:07,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153785ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:42:07, skipping insertion in model container [2021-10-24 10:42:07,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:42:04" (2/3) ... [2021-10-24 10:42:07,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153785ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:42:07, skipping insertion in model container [2021-10-24 10:42:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:42:07" (3/3) ... [2021-10-24 10:42:07,014 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2021-10-24 10:42:07,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:42:07,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:42:07,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:42:07,123 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:42:07,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:42:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 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) [2021-10-24 10:42:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:42:07,168 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:07,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:07,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:07,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:07,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2021-10-24 10:42:07,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:07,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [841533323] [2021-10-24 10:42:07,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:07,201 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:07,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:07,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:42:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:07,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:42:07,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:07,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:07,666 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:07,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [841533323] [2021-10-24 10:42:07,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [841533323] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:07,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:07,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:42:07,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40439987] [2021-10-24 10:42:07,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:42:07,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:07,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:42:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:42:07,689 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:07,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:07,724 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-10-24 10:42:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:42:07,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:42:07,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:07,738 INFO L225 Difference]: With dead ends: 275 [2021-10-24 10:42:07,739 INFO L226 Difference]: Without dead ends: 137 [2021-10-24 10:42:07,743 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:42:07,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-24 10:42:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-24 10:42:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4850746268656716) internal successors, (199), 136 states have internal predecessors, (199), 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) [2021-10-24 10:42:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-10-24 10:42:07,799 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-10-24 10:42:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:07,800 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-10-24 10:42:07,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-10-24 10:42:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:42:07,802 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:07,803 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:07,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:42:08,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:08,008 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:08,009 INFO L82 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2021-10-24 10:42:08,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:08,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772174216] [2021-10-24 10:42:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:08,011 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:08,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:08,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:42:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:08,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:08,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:08,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:08,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:08,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:08,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772174216] [2021-10-24 10:42:08,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772174216] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:08,483 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:08,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:42:08,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331851086] [2021-10-24 10:42:08,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:42:08,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:08,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:42:08,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:08,487 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:08,508 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-10-24 10:42:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:42:08,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:42:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:08,510 INFO L225 Difference]: With dead ends: 137 [2021-10-24 10:42:08,510 INFO L226 Difference]: Without dead ends: 57 [2021-10-24 10:42:08,511 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-24 10:42:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-24 10:42:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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) [2021-10-24 10:42:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-24 10:42:08,520 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-24 10:42:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:08,520 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-24 10:42:08,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-24 10:42:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:42:08,522 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:08,523 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] [2021-10-24 10:42:08,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:08,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:08,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:08,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:08,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2021-10-24 10:42:08,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:08,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498037872] [2021-10-24 10:42:08,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:08,739 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:08,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:08,740 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:08,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:42:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:08,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:08,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:09,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:09,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:09,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498037872] [2021-10-24 10:42:09,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498037872] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:09,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:09,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:42:09,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308501132] [2021-10-24 10:42:09,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:42:09,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:09,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:42:09,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:09,202 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:09,234 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2021-10-24 10:42:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:42:09,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:42:09,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:09,237 INFO L225 Difference]: With dead ends: 181 [2021-10-24 10:42:09,237 INFO L226 Difference]: Without dead ends: 131 [2021-10-24 10:42:09,238 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:09,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-24 10:42:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 77. [2021-10-24 10:42:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.486842105263158) internal successors, (113), 76 states have internal predecessors, (113), 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) [2021-10-24 10:42:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 113 transitions. [2021-10-24 10:42:09,256 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 113 transitions. Word has length 24 [2021-10-24 10:42:09,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:09,257 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 113 transitions. [2021-10-24 10:42:09,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-10-24 10:42:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:42:09,259 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:09,259 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] [2021-10-24 10:42:09,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:09,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:09,476 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:09,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:09,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2021-10-24 10:42:09,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:09,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434300024] [2021-10-24 10:42:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:09,478 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:09,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:09,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:09,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:42:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:09,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:09,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:09,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:09,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:09,874 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:09,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434300024] [2021-10-24 10:42:09,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434300024] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:09,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:09,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:42:09,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614941900] [2021-10-24 10:42:09,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:42:09,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:09,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:42:09,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:42:09,878 INFO L87 Difference]: Start difference. First operand 77 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-24 10:42:09,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:09,972 INFO L93 Difference]: Finished difference Result 169 states and 251 transitions. [2021-10-24 10:42:09,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:42:09,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 [2021-10-24 10:42:09,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:09,978 INFO L225 Difference]: With dead ends: 169 [2021-10-24 10:42:09,979 INFO L226 Difference]: Without dead ends: 99 [2021-10-24 10:42:09,981 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:42:09,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-10-24 10:42:10,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-10-24 10:42:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 96 states have internal predecessors, (139), 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) [2021-10-24 10:42:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2021-10-24 10:42:10,007 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 26 [2021-10-24 10:42:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:10,007 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2021-10-24 10:42:10,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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) [2021-10-24 10:42:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2021-10-24 10:42:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:42:10,015 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:10,016 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, 1] [2021-10-24 10:42:10,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:10,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:10,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:10,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:10,231 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2021-10-24 10:42:10,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:10,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43835073] [2021-10-24 10:42:10,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:10,233 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:10,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:10,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:10,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:42:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:10,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:42:10,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:10,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:10,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:10,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43835073] [2021-10-24 10:42:10,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43835073] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:10,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:10,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:42:10,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831460697] [2021-10-24 10:42:10,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:42:10,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:10,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:42:10,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:42:10,678 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-24 10:42:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:10,846 INFO L93 Difference]: Finished difference Result 484 states and 705 transitions. [2021-10-24 10:42:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:42:10,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-24 10:42:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:10,852 INFO L225 Difference]: With dead ends: 484 [2021-10-24 10:42:10,852 INFO L226 Difference]: Without dead ends: 394 [2021-10-24 10:42:10,855 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 46.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:42:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2021-10-24 10:42:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 176. [2021-10-24 10:42:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.4228571428571428) internal successors, (249), 175 states have internal predecessors, (249), 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) [2021-10-24 10:42:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 249 transitions. [2021-10-24 10:42:10,924 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 249 transitions. Word has length 27 [2021-10-24 10:42:10,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:10,925 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 249 transitions. [2021-10-24 10:42:10,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-24 10:42:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 249 transitions. [2021-10-24 10:42:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-24 10:42:10,928 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:10,928 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, 1, 1] [2021-10-24 10:42:10,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:11,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:11,150 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:11,150 INFO L82 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2021-10-24 10:42:11,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:11,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346902267] [2021-10-24 10:42:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:11,152 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:11,153 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:11,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:42:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:11,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:42:11,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:11,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:11,620 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:11,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346902267] [2021-10-24 10:42:11,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346902267] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:11,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:11,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:42:11,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268211985] [2021-10-24 10:42:11,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:42:11,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:11,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:42:11,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:42:11,623 INFO L87 Difference]: Start difference. First operand 176 states and 249 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-24 10:42:11,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:11,844 INFO L93 Difference]: Finished difference Result 659 states and 937 transitions. [2021-10-24 10:42:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:42:11,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-10-24 10:42:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:11,848 INFO L225 Difference]: With dead ends: 659 [2021-10-24 10:42:11,849 INFO L226 Difference]: Without dead ends: 490 [2021-10-24 10:42:11,850 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 53.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:42:11,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2021-10-24 10:42:11,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 174. [2021-10-24 10:42:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 173 states have internal predecessors, (243), 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) [2021-10-24 10:42:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 243 transitions. [2021-10-24 10:42:11,879 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 243 transitions. Word has length 28 [2021-10-24 10:42:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:11,879 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 243 transitions. [2021-10-24 10:42:11,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-10-24 10:42:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 243 transitions. [2021-10-24 10:42:11,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:42:11,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:11,881 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:11,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:12,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:12,096 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:12,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:12,096 INFO L82 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2021-10-24 10:42:12,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:12,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986419084] [2021-10-24 10:42:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:12,098 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:12,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:12,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:12,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:42:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:12,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:42:12,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:12,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:12,544 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:12,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986419084] [2021-10-24 10:42:12,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986419084] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:12,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:12,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:42:12,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052560921] [2021-10-24 10:42:12,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:42:12,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:12,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:42:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:42:12,549 INFO L87 Difference]: Start difference. First operand 174 states and 243 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-24 10:42:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:12,677 INFO L93 Difference]: Finished difference Result 659 states and 923 transitions. [2021-10-24 10:42:12,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:42:12,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 36 [2021-10-24 10:42:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:12,686 INFO L225 Difference]: With dead ends: 659 [2021-10-24 10:42:12,687 INFO L226 Difference]: Without dead ends: 492 [2021-10-24 10:42:12,688 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:42:12,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-10-24 10:42:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 182. [2021-10-24 10:42:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3867403314917126) internal successors, (251), 181 states have internal predecessors, (251), 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) [2021-10-24 10:42:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 251 transitions. [2021-10-24 10:42:12,739 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 251 transitions. Word has length 36 [2021-10-24 10:42:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:12,739 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 251 transitions. [2021-10-24 10:42:12,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-10-24 10:42:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 251 transitions. [2021-10-24 10:42:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:42:12,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:12,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:12,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:12,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:12,957 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:12,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:12,957 INFO L82 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2021-10-24 10:42:12,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:12,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954876362] [2021-10-24 10:42:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:12,959 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:12,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:12,960 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:13,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:42:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:13,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:42:13,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:13,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:13,468 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:13,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954876362] [2021-10-24 10:42:13,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954876362] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:13,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:13,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:42:13,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563926435] [2021-10-24 10:42:13,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:42:13,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:13,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:42:13,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:42:13,477 INFO L87 Difference]: Start difference. First operand 182 states and 251 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-24 10:42:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:13,593 INFO L93 Difference]: Finished difference Result 519 states and 713 transitions. [2021-10-24 10:42:13,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:42:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-24 10:42:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:13,597 INFO L225 Difference]: With dead ends: 519 [2021-10-24 10:42:13,597 INFO L226 Difference]: Without dead ends: 344 [2021-10-24 10:42:13,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:42:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-24 10:42:13,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 194. [2021-10-24 10:42:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 193 states have (on average 1.3626943005181347) internal successors, (263), 193 states have internal predecessors, (263), 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) [2021-10-24 10:42:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 263 transitions. [2021-10-24 10:42:13,630 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 263 transitions. Word has length 36 [2021-10-24 10:42:13,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:13,631 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 263 transitions. [2021-10-24 10:42:13,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-24 10:42:13,632 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 263 transitions. [2021-10-24 10:42:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:42:13,634 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:13,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:13,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:13,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:13,858 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:13,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:13,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2021-10-24 10:42:13,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:13,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277417000] [2021-10-24 10:42:13,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:13,859 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:13,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:13,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:13,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:42:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:14,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:14,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:14,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:14,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:14,403 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:14,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277417000] [2021-10-24 10:42:14,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277417000] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:14,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:14,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:42:14,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476595029] [2021-10-24 10:42:14,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:42:14,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:14,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:42:14,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:14,405 INFO L87 Difference]: Start difference. First operand 194 states and 263 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:14,510 INFO L93 Difference]: Finished difference Result 616 states and 839 transitions. [2021-10-24 10:42:14,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:42:14,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:42:14,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:14,514 INFO L225 Difference]: With dead ends: 616 [2021-10-24 10:42:14,514 INFO L226 Difference]: Without dead ends: 429 [2021-10-24 10:42:14,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:42:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-10-24 10:42:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 339. [2021-10-24 10:42:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.349112426035503) internal successors, (456), 338 states have internal predecessors, (456), 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) [2021-10-24 10:42:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 456 transitions. [2021-10-24 10:42:14,565 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 456 transitions. Word has length 36 [2021-10-24 10:42:14,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:14,566 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 456 transitions. [2021-10-24 10:42:14,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 456 transitions. [2021-10-24 10:42:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:42:14,567 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:14,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:14,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:14,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:14,784 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:14,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:14,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2021-10-24 10:42:14,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:14,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1599619641] [2021-10-24 10:42:14,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:14,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:14,787 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:14,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:42:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:15,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:42:15,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:15,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:15,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:15,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1599619641] [2021-10-24 10:42:15,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1599619641] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:15,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:15,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:42:15,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006778698] [2021-10-24 10:42:15,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:42:15,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:15,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:42:15,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:42:15,378 INFO L87 Difference]: Start difference. First operand 339 states and 456 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-10-24 10:42:18,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:18,589 INFO L93 Difference]: Finished difference Result 1407 states and 1869 transitions. [2021-10-24 10:42:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-24 10:42:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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 37 [2021-10-24 10:42:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:18,598 INFO L225 Difference]: With dead ends: 1407 [2021-10-24 10:42:18,598 INFO L226 Difference]: Without dead ends: 1075 [2021-10-24 10:42:18,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 192.8ms TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-24 10:42:18,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2021-10-24 10:42:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 339. [2021-10-24 10:42:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.3254437869822486) internal successors, (448), 338 states have internal predecessors, (448), 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) [2021-10-24 10:42:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 448 transitions. [2021-10-24 10:42:18,675 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 448 transitions. Word has length 37 [2021-10-24 10:42:18,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:18,675 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 448 transitions. [2021-10-24 10:42:18,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 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) [2021-10-24 10:42:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 448 transitions. [2021-10-24 10:42:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-24 10:42:18,677 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:18,677 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:18,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:18,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:18,892 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:18,892 INFO L82 PathProgramCache]: Analyzing trace with hash -9909279, now seen corresponding path program 1 times [2021-10-24 10:42:18,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:18,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434074481] [2021-10-24 10:42:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:18,893 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:18,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:18,894 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:18,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:42:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:19,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:42:19,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:42:19,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:42:19,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:19,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434074481] [2021-10-24 10:42:19,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434074481] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:42:19,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1422677482] [2021-10-24 10:42:19,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:19,844 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:42:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:42:19,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:42:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-24 10:42:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:20,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:20,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:20,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:42:20,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1422677482] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:20,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:42:20,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-10-24 10:42:20,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488980430] [2021-10-24 10:42:20,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:42:20,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:20,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:42:20,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:42:20,663 INFO L87 Difference]: Start difference. First operand 339 states and 448 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-24 10:42:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:20,812 INFO L93 Difference]: Finished difference Result 559 states and 736 transitions. [2021-10-24 10:42:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:42:20,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-10-24 10:42:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:20,818 INFO L225 Difference]: With dead ends: 559 [2021-10-24 10:42:20,819 INFO L226 Difference]: Without dead ends: 557 [2021-10-24 10:42:20,819 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 60.5ms TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:42:20,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-10-24 10:42:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 391. [2021-10-24 10:42:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.3461538461538463) internal successors, (525), 390 states have internal predecessors, (525), 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) [2021-10-24 10:42:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 525 transitions. [2021-10-24 10:42:20,890 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 525 transitions. Word has length 58 [2021-10-24 10:42:20,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:20,891 INFO L470 AbstractCegarLoop]: Abstraction has 391 states and 525 transitions. [2021-10-24 10:42:20,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-24 10:42:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 525 transitions. [2021-10-24 10:42:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-24 10:42:20,894 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:20,894 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:20,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:21,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:21,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:21,298 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:21,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:21,298 INFO L82 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2021-10-24 10:42:21,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:21,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875253399] [2021-10-24 10:42:21,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:21,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:21,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:21,302 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:42:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:21,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:42:21,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:42:22,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:42:22,390 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:22,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875253399] [2021-10-24 10:42:22,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875253399] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:42:22,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [613705337] [2021-10-24 10:42:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:22,391 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:42:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:42:22,396 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:42:22,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:42:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:23,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:42:23,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:42:23,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-24 10:42:23,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [613705337] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:42:23,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459192206] [2021-10-24 10:42:23,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:23,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:42:23,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:42:23,779 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:42:23,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-24 10:42:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:24,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:42:24,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:42:24,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-24 10:42:25,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459192206] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 10:42:25,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 10:42:25,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-24 10:42:25,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793059225] [2021-10-24 10:42:25,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:42:25,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:25,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:42:25,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-10-24 10:42:25,004 INFO L87 Difference]: Start difference. First operand 391 states and 525 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:29,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:29,196 INFO L93 Difference]: Finished difference Result 3382 states and 4517 transitions. [2021-10-24 10:42:29,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 10:42:29,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-24 10:42:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:29,217 INFO L225 Difference]: With dead ends: 3382 [2021-10-24 10:42:29,218 INFO L226 Difference]: Without dead ends: 2998 [2021-10-24 10:42:29,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 408.7ms TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2021-10-24 10:42:29,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-10-24 10:42:29,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 785. [2021-10-24 10:42:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 784 states have (on average 1.4005102040816326) internal successors, (1098), 784 states have internal predecessors, (1098), 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) [2021-10-24 10:42:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1098 transitions. [2021-10-24 10:42:29,401 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1098 transitions. Word has length 82 [2021-10-24 10:42:29,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:29,402 INFO L470 AbstractCegarLoop]: Abstraction has 785 states and 1098 transitions. [2021-10-24 10:42:29,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:42:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1098 transitions. [2021-10-24 10:42:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-24 10:42:29,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:29,405 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:29,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:29,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:29,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-24 10:42:30,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:42:30,019 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:30,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:30,019 INFO L82 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2021-10-24 10:42:30,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:30,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49926848] [2021-10-24 10:42:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:30,020 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:30,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:30,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-24 10:42:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:30,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:42:30,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-24 10:42:30,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-24 10:42:30,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:30,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49926848] [2021-10-24 10:42:30,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49926848] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:30,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:42:30,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:42:30,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084229164] [2021-10-24 10:42:30,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:42:30,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:30,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:42:30,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:42:30,984 INFO L87 Difference]: Start difference. First operand 785 states and 1098 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-10-24 10:42:31,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:31,235 INFO L93 Difference]: Finished difference Result 1828 states and 2498 transitions. [2021-10-24 10:42:31,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:42:31,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 82 [2021-10-24 10:42:31,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:31,245 INFO L225 Difference]: With dead ends: 1828 [2021-10-24 10:42:31,246 INFO L226 Difference]: Without dead ends: 1050 [2021-10-24 10:42:31,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 55.3ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:42:31,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2021-10-24 10:42:31,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 466. [2021-10-24 10:42:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 465 states have (on average 1.356989247311828) internal successors, (631), 465 states have internal predecessors, (631), 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) [2021-10-24 10:42:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 631 transitions. [2021-10-24 10:42:31,351 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 631 transitions. Word has length 82 [2021-10-24 10:42:31,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:31,351 INFO L470 AbstractCegarLoop]: Abstraction has 466 states and 631 transitions. [2021-10-24 10:42:31,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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) [2021-10-24 10:42:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 631 transitions. [2021-10-24 10:42:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-24 10:42:31,355 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:42:31,356 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:42:31,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:31,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:42:31,570 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:42:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:42:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash 967457070, now seen corresponding path program 1 times [2021-10-24 10:42:31,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:42:31,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881928587] [2021-10-24 10:42:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:31,571 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:42:31,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:42:31,572 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:42:31,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-24 10:42:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:32,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-24 10:42:32,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:42:32,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:42:32,669 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:42:32,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881928587] [2021-10-24 10:42:32,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881928587] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:42:32,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [797975894] [2021-10-24 10:42:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:42:32,670 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:42:32,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:42:32,676 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:42:32,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-24 10:42:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:42:33,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:42:33,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:42:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:42:33,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:42:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-24 10:42:33,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [797975894] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:42:33,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:42:33,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-10-24 10:42:33,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705010947] [2021-10-24 10:42:33,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:42:33,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:42:33,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:42:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:42:33,939 INFO L87 Difference]: Start difference. First operand 466 states and 631 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-24 10:42:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:42:35,763 INFO L93 Difference]: Finished difference Result 769 states and 1026 transitions. [2021-10-24 10:42:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:42:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 83 [2021-10-24 10:42:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:42:35,764 INFO L225 Difference]: With dead ends: 769 [2021-10-24 10:42:35,764 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:42:35,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:42:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:42:35,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:42:35,766 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) [2021-10-24 10:42:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:42:35,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-24 10:42:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:42:35,767 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:42:35,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-10-24 10:42:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:42:35,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:42:35,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:42:35,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:42:35,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:42:35,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:35,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:42:36,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:42:36,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:42:36,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:38,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:39,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:42,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:43,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:44,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:45,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:47,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:47,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:49,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:51,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:52,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:42:52,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:43:04,815 WARN L207 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 354 DAG size of output: 24 [2021-10-24 10:43:21,774 WARN L207 SmtUtils]: Spent 5.74 s on a formula simplification. DAG size of input: 332 DAG size of output: 23 [2021-10-24 10:43:31,996 WARN L207 SmtUtils]: Spent 5.31 s on a formula simplification. DAG size of input: 352 DAG size of output: 25 [2021-10-24 10:43:36,713 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,714 INFO L853 garLoopResultBuilder]: At program point L532(lines 1 1013) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:36,714 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-24 10:43:36,714 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse4 .cse2 .cse6))) [2021-10-24 10:43:36,714 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2021-10-24 10:43:36,714 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 153) no Hoare annotation was computed. [2021-10-24 10:43:36,714 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 153) no Hoare annotation was computed. [2021-10-24 10:43:36,714 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,715 INFO L857 garLoopResultBuilder]: For program point L995-1(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,715 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,715 INFO L857 garLoopResultBuilder]: For program point L995-3(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,715 INFO L857 garLoopResultBuilder]: For program point L995-4(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,715 INFO L857 garLoopResultBuilder]: For program point L995-5(lines 995 1001) no Hoare annotation was computed. [2021-10-24 10:43:36,716 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 934) no Hoare annotation was computed. [2021-10-24 10:43:36,716 INFO L853 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:36,716 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,716 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-10-24 10:43:36,716 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,717 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 148) no Hoare annotation was computed. [2021-10-24 10:43:36,717 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2021-10-24 10:43:36,717 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,717 INFO L857 garLoopResultBuilder]: For program point L173-6(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,717 INFO L857 garLoopResultBuilder]: For program point L173-8(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,718 INFO L857 garLoopResultBuilder]: For program point L173-10(lines 173 179) no Hoare annotation was computed. [2021-10-24 10:43:36,718 INFO L853 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:36,718 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 202 210) the Hoare annotation is: false [2021-10-24 10:43:36,718 INFO L853 garLoopResultBuilder]: At program point L207-2(lines 202 210) the Hoare annotation is: false [2021-10-24 10:43:36,718 INFO L853 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: false [2021-10-24 10:43:36,719 INFO L853 garLoopResultBuilder]: At program point L1000-1(lines 991 1004) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4))) [2021-10-24 10:43:36,719 INFO L853 garLoopResultBuilder]: At program point L1000-2(lines 991 1004) the Hoare annotation is: false [2021-10-24 10:43:36,719 INFO L853 garLoopResultBuilder]: At program point L1000-3(lines 991 1004) the Hoare annotation is: false [2021-10-24 10:43:36,719 INFO L853 garLoopResultBuilder]: At program point L1000-4(lines 991 1004) the Hoare annotation is: false [2021-10-24 10:43:36,720 INFO L853 garLoopResultBuilder]: At program point L1000-5(lines 991 1004) the Hoare annotation is: false [2021-10-24 10:43:36,720 INFO L860 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2021-10-24 10:43:36,720 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,720 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,720 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L275-6(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110-2(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L275-8(lines 275 279) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110-4(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,721 INFO L857 garLoopResultBuilder]: For program point L110-5(lines 110 127) no Hoare annotation was computed. [2021-10-24 10:43:36,722 INFO L853 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:36,722 INFO L853 garLoopResultBuilder]: At program point L78(lines 77 96) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse5))) [2021-10-24 10:43:36,722 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2021-10-24 10:43:36,722 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 77 96) the Hoare annotation is: false [2021-10-24 10:43:36,723 INFO L853 garLoopResultBuilder]: At program point L78-3(lines 77 96) the Hoare annotation is: false [2021-10-24 10:43:36,723 INFO L853 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:43:36,723 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2021-10-24 10:43:36,723 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,724 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,724 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,724 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,724 INFO L857 garLoopResultBuilder]: For program point L114-4(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,724 INFO L857 garLoopResultBuilder]: For program point L114-5(lines 114 122) no Hoare annotation was computed. [2021-10-24 10:43:36,725 INFO L853 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse2 (or (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ~waterLevel~0 (_ bv1 32))))) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32))) (.cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-24 10:43:36,725 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 266 284) the Hoare annotation is: false [2021-10-24 10:43:36,725 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 266 284) the Hoare annotation is: false [2021-10-24 10:43:36,725 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 946) no Hoare annotation was computed. [2021-10-24 10:43:36,726 INFO L857 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2021-10-24 10:43:36,726 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-24 10:43:36,727 INFO L853 garLoopResultBuilder]: At program point L85(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 .cse2 .cse1))) [2021-10-24 10:43:36,727 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: false [2021-10-24 10:43:36,727 INFO L853 garLoopResultBuilder]: At program point L85-2(lines 85 91) the Hoare annotation is: false [2021-10-24 10:43:36,727 INFO L853 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3))) [2021-10-24 10:43:36,727 INFO L853 garLoopResultBuilder]: At program point L1010-1(lines 1005 1013) the Hoare annotation is: false [2021-10-24 10:43:36,728 INFO L853 garLoopResultBuilder]: At program point L1010-2(lines 1005 1013) the Hoare annotation is: false [2021-10-24 10:43:36,728 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-24 10:43:36,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:43:36,728 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 78 84) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse5 .cse3) (and .cse0 .cse5 .cse4))) [2021-10-24 10:43:36,728 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,729 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,729 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,729 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-24 10:43:36,729 INFO L853 garLoopResultBuilder]: At program point L388-1(lines 1 1013) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6))) [2021-10-24 10:43:36,730 INFO L853 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: false [2021-10-24 10:43:36,730 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-24 10:43:36,730 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-24 10:43:36,730 INFO L853 garLoopResultBuilder]: At program point L388-3(lines 1 1013) the Hoare annotation is: false [2021-10-24 10:43:36,730 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:43:36,731 INFO L853 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1))) [2021-10-24 10:43:36,731 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,731 INFO L857 garLoopResultBuilder]: For program point L388-4(lines 388 405) no Hoare annotation was computed. [2021-10-24 10:43:36,731 INFO L853 garLoopResultBuilder]: At program point L388-5(lines 1 1013) the Hoare annotation is: false [2021-10-24 10:43:36,731 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-3(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-5(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-6(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-8(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-9(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,732 INFO L857 garLoopResultBuilder]: For program point L256-11(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,733 INFO L857 garLoopResultBuilder]: For program point L256-12(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,733 INFO L857 garLoopResultBuilder]: For program point L256-14(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,733 INFO L857 garLoopResultBuilder]: For program point L256-15(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,733 INFO L857 garLoopResultBuilder]: For program point L256-17(lines 256 260) no Hoare annotation was computed. [2021-10-24 10:43:36,733 INFO L857 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2021-10-24 10:43:36,734 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-24 10:43:36,734 INFO L857 garLoopResultBuilder]: For program point L918-3(lines 918 922) no Hoare annotation was computed. [2021-10-24 10:43:36,734 INFO L857 garLoopResultBuilder]: For program point L918-6(lines 918 922) no Hoare annotation was computed. [2021-10-24 10:43:36,734 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-24 10:43:36,735 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6)) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse6))) [2021-10-24 10:43:36,735 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:43:36,735 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-10-24 10:43:36,735 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2021-10-24 10:43:36,735 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 78 84) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 402) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 402) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 399) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L857 garLoopResultBuilder]: For program point L393-4(lines 393 399) no Hoare annotation was computed. [2021-10-24 10:43:36,736 INFO L853 garLoopResultBuilder]: At program point L955(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,736 INFO L853 garLoopResultBuilder]: At program point L955-1(lines 950 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-24 10:43:36,736 INFO L853 garLoopResultBuilder]: At program point L955-2(lines 950 958) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32)))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-24 10:43:36,736 INFO L853 garLoopResultBuilder]: At program point L955-3(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L955-4(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L955-5(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L955-6(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L955-7(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L955-8(lines 950 958) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 247 265) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32)))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse4 .cse5))) [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 247 265) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L262-3(lines 247 265) the Hoare annotation is: false [2021-10-24 10:43:36,737 INFO L853 garLoopResultBuilder]: At program point L262-4(lines 247 265) the Hoare annotation is: false [2021-10-24 10:43:36,738 INFO L853 garLoopResultBuilder]: At program point L262-5(lines 247 265) the Hoare annotation is: false [2021-10-24 10:43:36,738 INFO L853 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2021-10-24 10:43:36,738 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:43:36,738 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:43:36,738 INFO L853 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: false [2021-10-24 10:43:36,739 INFO L853 garLoopResultBuilder]: At program point L198-1(lines 191 201) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2 .cse3))) [2021-10-24 10:43:36,739 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 191 201) the Hoare annotation is: false [2021-10-24 10:43:36,739 INFO L853 garLoopResultBuilder]: At program point L198-3(lines 191 201) the Hoare annotation is: false [2021-10-24 10:43:36,739 INFO L853 garLoopResultBuilder]: At program point L198-4(lines 191 201) the Hoare annotation is: false [2021-10-24 10:43:36,739 INFO L853 garLoopResultBuilder]: At program point L198-5(lines 191 201) the Hoare annotation is: false [2021-10-24 10:43:36,739 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2021-10-24 10:43:36,739 INFO L860 garLoopResultBuilder]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2021-10-24 10:43:36,744 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:43:36,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:43:36 BoogieIcfgContainer [2021-10-24 10:43:36,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:43:36,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:43:36,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:43:36,801 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:43:36,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:42:07" (3/4) ... [2021-10-24 10:43:36,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:43:36,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:43:36,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:43:36,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:43:36,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:43:36,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:43:36,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:43:36,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:43:36,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,888 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,892 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,893 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:43:36,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:43:36,898 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:43:36,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,905 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:43:36,982 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:43:36,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:43:36,984 INFO L168 Benchmark]: Toolchain (without parser) took 93763.38 ms. Allocated memory was 73.4 MB in the beginning and 872.4 MB in the end (delta: 799.0 MB). Free memory was 54.2 MB in the beginning and 484.7 MB in the end (delta: -430.5 MB). Peak memory consumption was 368.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,985 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 53.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:43:36,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 41.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.20 ms. Allocated memory is still 73.4 MB. Free memory was 41.1 MB in the beginning and 37.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,986 INFO L168 Benchmark]: Boogie Preprocessor took 60.40 ms. Allocated memory is still 73.4 MB. Free memory was 37.1 MB in the beginning and 34.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,987 INFO L168 Benchmark]: RCFGBuilder took 2832.70 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 33.9 MB in the beginning and 50.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,988 INFO L168 Benchmark]: TraceAbstraction took 89793.63 ms. Allocated memory was 100.7 MB in the beginning and 872.4 MB in the end (delta: 771.8 MB). Free memory was 50.1 MB in the beginning and 496.3 MB in the end (delta: -446.1 MB). Peak memory consumption was 511.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,988 INFO L168 Benchmark]: Witness Printer took 182.27 ms. Allocated memory is still 872.4 MB. Free memory was 496.3 MB in the beginning and 484.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:43:36,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 53.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 790.28 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 41.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.20 ms. Allocated memory is still 73.4 MB. Free memory was 41.1 MB in the beginning and 37.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.40 ms. Allocated memory is still 73.4 MB. Free memory was 37.1 MB in the beginning and 34.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2832.70 ms. Allocated memory was 73.4 MB in the beginning and 100.7 MB in the end (delta: 27.3 MB). Free memory was 33.9 MB in the beginning and 50.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 89793.63 ms. Allocated memory was 100.7 MB in the beginning and 872.4 MB in the end (delta: 771.8 MB). Free memory was 50.1 MB in the beginning and 496.3 MB in the end (delta: -446.1 MB). Peak memory consumption was 511.6 MB. Max. memory is 16.1 GB. * Witness Printer took 182.27 ms. Allocated memory is still 872.4 MB. Free memory was 496.3 MB in the beginning and 484.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 89630.9ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 56.7ms, AutomataDifference: 10704.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 60526.9ms, InitialAbstractionConstructionTime: 18.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1790 SDtfs, 2961 SDslu, 4330 SDs, 0 SdLazy, 481 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8241.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1812 GetRequests, 1721 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 936.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=12, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 748.8ms AutomataMinimizationTime, 14 MinimizatonAttempts, 4839 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 183 NumberOfFragments, 864 HoareAnnotationTreeSize, 57 FomulaSimplifications, 42236674 FormulaSimplificationTreeSizeReduction, 16454.2ms HoareSimplificationTime, 57 FomulaSimplificationsInter, 43025733 FormulaSimplificationTreeSizeReductionInter, 44041.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 451.4ms SsaConstructionTime, 2285.6ms SatisfiabilityAnalysisTime, 6920.8ms InterpolantComputationTime, 897 NumberOfCodeBlocks, 897 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1758 ConstructedInterpolants, 0 QuantifiedInterpolants, 3418 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4275 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 636/684 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: 289]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == tmp) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && !(systemActive == 0bv32))) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:43:37,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f68d6f1-f74c-4f07-8bf1-f01c60c323a8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...