./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d987d174a4a8df6e0aafdb6d8ee456b5bda233ea ............................................................................................................................................ 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d987d174a4a8df6e0aafdb6d8ee456b5bda233ea ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:42,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:42,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:42,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:42,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:42,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:42,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:42,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:42,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:42,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:42,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:42,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:42,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:42,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:42,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:42,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:42,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:42,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:42,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:42,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:42,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:42,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:42,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:42,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:42,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:42,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:42,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:42,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:42,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:42,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:42,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:42,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:42,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:42,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:42,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:42,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:42,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:42,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:42,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:42,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:42,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:42,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:21:42,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:42,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:42,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:42,208 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:42,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:42,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:42,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:21:42,209 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:42,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:42,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:21:42,210 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:21:42,210 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:42,211 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:21:42,211 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:21:42,212 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:21:42,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:42,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:42,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:42,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:42,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:42,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:21:42,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:42,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:21:42,215 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:42,216 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:42,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:21:42,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:42,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:21:42,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:42,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:42,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:42,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:42,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:42,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:42,219 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d987d174a4a8df6e0aafdb6d8ee456b5bda233ea [2021-10-13 07:21:42,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:42,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:42,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:42,544 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:42,545 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:42,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-13 07:21:42,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/aca958b58/59c1a9c7a281459faf6cfdb8954078ba/FLAGec0ecd08d [2021-10-13 07:21:43,167 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:43,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-13 07:21:43,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/aca958b58/59c1a9c7a281459faf6cfdb8954078ba/FLAGec0ecd08d [2021-10-13 07:21:43,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/aca958b58/59c1a9c7a281459faf6cfdb8954078ba [2021-10-13 07:21:43,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:43,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:43,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:43,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:43,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:43,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:43" (1/1) ... [2021-10-13 07:21:43,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf95fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:43, skipping insertion in model container [2021-10-13 07:21:43,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:43" (1/1) ... [2021-10-13 07:21:43,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:43,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:43,889 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17014,17027] [2021-10-13 07:21:43,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:43,919 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:21:43,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41d08150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:43, skipping insertion in model container [2021-10-13 07:21:43,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:43,921 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:43,924 INFO L168 Benchmark]: Toolchain (without parser) took 460.35 ms. Allocated memory is still 115.3 MB. Free memory was 74.1 MB in the beginning and 85.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:43,925 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 91.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:43,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.79 ms. Allocated memory is still 115.3 MB. Free memory was 73.9 MB in the beginning and 85.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:43,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory is still 91.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.79 ms. Allocated memory is still 115.3 MB. Free memory was 73.9 MB in the beginning and 85.9 MB in the end (delta: -12.0 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: 329]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:46,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:46,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:46,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:46,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:46,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:46,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:46,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:46,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:46,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:46,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:46,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:46,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:46,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:46,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:46,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:46,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:46,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:46,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:46,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:46,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:46,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:46,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:46,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:46,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:46,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:46,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:46,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:46,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:46,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:46,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:46,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:46,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:46,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:46,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:46,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:46,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:46,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:46,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:46,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:46,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:46,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:21:46,634 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:46,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:46,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:46,636 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:46,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:46,637 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:46,637 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:46,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:46,638 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:46,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:46,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:21:46,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:21:46,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:46,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:21:46,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:46,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:21:46,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:46,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:21:46,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:21:46,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:21:46,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:21:46,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:46,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:21:46,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:46,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:21:46,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:46,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:46,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:46,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:46,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:21:46,647 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:21:46,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:46,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:21:46,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:46,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:46,649 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d987d174a4a8df6e0aafdb6d8ee456b5bda233ea [2021-10-13 07:21:47,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:47,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:47,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:47,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:47,110 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:47,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-13 07:21:47,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/4a5d50bc3/02184dbd0e574f9cbeb4a37c3c46f55e/FLAG4321b88df [2021-10-13 07:21:47,885 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:47,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-10-13 07:21:47,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/4a5d50bc3/02184dbd0e574f9cbeb4a37c3c46f55e/FLAG4321b88df [2021-10-13 07:21:48,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/data/4a5d50bc3/02184dbd0e574f9cbeb4a37c3c46f55e [2021-10-13 07:21:48,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:48,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:48,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:48,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:48,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:48,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:48,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490d9c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48, skipping insertion in model container [2021-10-13 07:21:48,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:48,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:48,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:48,593 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17014,17027] [2021-10-13 07:21:48,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:48,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:21:48,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:48,838 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17014,17027] [2021-10-13 07:21:48,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:48,855 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:21:48,921 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_28cd6d5d-146c-48ce-8aee-47023ed9ff33/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17014,17027] [2021-10-13 07:21:48,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:21:48,968 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:21:48,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48 WrapperNode [2021-10-13 07:21:48,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:48,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:48,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:21:48,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:21:48,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:21:49,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:21:49,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:21:49,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:21:49,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:21:49,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:21:49,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:21:49,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:21:49,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (1/1) ... [2021-10-13 07:21:49,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:21:49,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:21:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:21:49,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:21:49,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:21:49,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:21:52,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:21:52,614 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-13 07:21:52,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:52 BoogieIcfgContainer [2021-10-13 07:21:52,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:21:52,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:21:52,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:21:52,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:21:52,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:21:48" (1/3) ... [2021-10-13 07:21:52,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63638ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:52, skipping insertion in model container [2021-10-13 07:21:52,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:48" (2/3) ... [2021-10-13 07:21:52,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63638ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:21:52, skipping insertion in model container [2021-10-13 07:21:52,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:52" (3/3) ... [2021-10-13 07:21:52,627 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2021-10-13 07:21:52,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:21:52,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:21:52,694 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:21:52,701 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:21:52,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:21:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:21:52,731 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:52,732 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:52,733 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:52,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2021-10-13 07:21:52,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:52,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231103814] [2021-10-13 07:21:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:52,756 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:52,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:52,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:21:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:53,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:21:53,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:53,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:53,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:53,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231103814] [2021-10-13 07:21:53,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231103814] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:53,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:53,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:21:53,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527906270] [2021-10-13 07:21:53,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:21:53,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:53,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:21:53,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:21:53,207 INFO L87 Difference]: Start difference. First operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:53,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:53,265 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-10-13 07:21:53,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:21:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 07:21:53,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:53,279 INFO L225 Difference]: With dead ends: 376 [2021-10-13 07:21:53,280 INFO L226 Difference]: Without dead ends: 187 [2021-10-13 07:21:53,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:21:53,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-13 07:21:53,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-10-13 07:21:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.516304347826087) internal successors, (279), 186 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-10-13 07:21:53,334 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-10-13 07:21:53,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:53,335 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-10-13 07:21:53,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-10-13 07:21:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:21:53,337 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:53,337 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:53,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:21:53,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:53,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:53,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:53,553 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2021-10-13 07:21:53,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:53,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475336555] [2021-10-13 07:21:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:53,555 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:53,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:53,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:53,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:21:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:53,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:21:53,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:53,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:53,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:53,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475336555] [2021-10-13 07:21:53,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475336555] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:53,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:53,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:21:53,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890796032] [2021-10-13 07:21:53,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:21:53,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:53,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:21:53,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:53,959 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:54,004 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-10-13 07:21:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:54,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 07:21:54,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:54,007 INFO L225 Difference]: With dead ends: 187 [2021-10-13 07:21:54,009 INFO L226 Difference]: Without dead ends: 73 [2021-10-13 07:21:54,011 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-13 07:21:54,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-13 07:21:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-13 07:21:54,028 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-10-13 07:21:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:54,028 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-13 07:21:54,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-13 07:21:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:21:54,031 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:54,035 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:54,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:54,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:54,258 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:54,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:54,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2021-10-13 07:21:54,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:54,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317656211] [2021-10-13 07:21:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:54,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:54,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:54,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:54,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:21:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:54,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:21:54,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:54,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:54,649 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:54,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317656211] [2021-10-13 07:21:54,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317656211] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:54,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:54,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:21:54,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393063584] [2021-10-13 07:21:54,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:21:54,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:21:54,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:54,657 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:54,727 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2021-10-13 07:21:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:21:54,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 07:21:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:54,731 INFO L225 Difference]: With dead ends: 230 [2021-10-13 07:21:54,731 INFO L226 Difference]: Without dead ends: 163 [2021-10-13 07:21:54,732 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:21:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-13 07:21:54,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2021-10-13 07:21:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 91 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2021-10-13 07:21:54,761 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2021-10-13 07:21:54,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:54,762 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2021-10-13 07:21:54,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2021-10-13 07:21:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:21:54,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:54,767 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:54,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:54,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:54,986 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:54,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:54,987 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2021-10-13 07:21:54,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:54,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087070227] [2021-10-13 07:21:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:54,988 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:54,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:54,990 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:55,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:21:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:55,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:21:55,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:55,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:55,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:55,361 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:55,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087070227] [2021-10-13 07:21:55,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087070227] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:55,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:55,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:21:55,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134506871] [2021-10-13 07:21:55,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:21:55,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:21:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:55,366 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:55,452 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2021-10-13 07:21:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:21:55,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:21:55,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:55,454 INFO L225 Difference]: With dead ends: 187 [2021-10-13 07:21:55,454 INFO L226 Difference]: Without dead ends: 101 [2021-10-13 07:21:55,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:21:55,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-13 07:21:55,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2021-10-13 07:21:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2021-10-13 07:21:55,488 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2021-10-13 07:21:55,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:55,488 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2021-10-13 07:21:55,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2021-10-13 07:21:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:21:55,495 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:55,495 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:55,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 07:21:55,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:55,710 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:55,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:55,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2021-10-13 07:21:55,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:55,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178007180] [2021-10-13 07:21:55,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:55,712 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:55,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:55,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:21:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:55,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:55,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:56,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:56,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:56,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178007180] [2021-10-13 07:21:56,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178007180] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:56,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:21:56,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:21:56,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327889910] [2021-10-13 07:21:56,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:21:56,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:56,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:21:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:21:56,268 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:56,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:56,699 INFO L93 Difference]: Finished difference Result 736 states and 1074 transitions. [2021-10-13 07:21:56,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 07:21:56,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:21:56,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:56,705 INFO L225 Difference]: With dead ends: 736 [2021-10-13 07:21:56,705 INFO L226 Difference]: Without dead ends: 643 [2021-10-13 07:21:56,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 168.9ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:21:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2021-10-13 07:21:56,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 241. [2021-10-13 07:21:56,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.4041666666666666) internal successors, (337), 240 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2021-10-13 07:21:56,740 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2021-10-13 07:21:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:56,740 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2021-10-13 07:21:56,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2021-10-13 07:21:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 07:21:56,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:56,750 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 07:21:56,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:56,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:56,963 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:56,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:56,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1387630177, now seen corresponding path program 1 times [2021-10-13 07:21:56,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:56,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697014987] [2021-10-13 07:21:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:56,965 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:56,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:56,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:21:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:57,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:21:57,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:57,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:57,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:57,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697014987] [2021-10-13 07:21:57,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697014987] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:57,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1631885157] [2021-10-13 07:21:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:57,536 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:21:57,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:21:57,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-13 07:21:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:57,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:57,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:21:57,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:21:58,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1631885157] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:21:58,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:21:58,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 07:21:58,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056175733] [2021-10-13 07:21:58,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:21:58,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:21:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:21:58,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:21:58,052 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:58,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:21:58,332 INFO L93 Difference]: Finished difference Result 585 states and 830 transitions. [2021-10-13 07:21:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:21:58,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-13 07:21:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:21:58,337 INFO L225 Difference]: With dead ends: 585 [2021-10-13 07:21:58,338 INFO L226 Difference]: Without dead ends: 583 [2021-10-13 07:21:58,339 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 106.4ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:21:58,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2021-10-13 07:21:58,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 241. [2021-10-13 07:21:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.3958333333333333) internal successors, (335), 240 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 335 transitions. [2021-10-13 07:21:58,382 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 335 transitions. Word has length 41 [2021-10-13 07:21:58,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:21:58,382 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 335 transitions. [2021-10-13 07:21:58,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:21:58,383 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2021-10-13 07:21:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 07:21:58,384 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:21:58,385 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:21:58,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:21:58,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,788 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:21:58,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:21:58,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1418461636, now seen corresponding path program 1 times [2021-10-13 07:21:58,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:21:58,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413933896] [2021-10-13 07:21:58,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:58,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:21:58,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:21:58,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:21:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:21:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:59,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:21:59,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:59,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:21:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:21:59,400 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:21:59,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413933896] [2021-10-13 07:21:59,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413933896] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:21:59,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1295576361] [2021-10-13 07:21:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:21:59,401 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:59,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:21:59,402 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:21:59,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-13 07:21:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:21:59,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:21:59,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:21:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:21:59,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:22:00,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1295576361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:00,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:22:00,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 07:22:00,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277544395] [2021-10-13 07:22:00,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:22:00,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:00,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:22:00,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:22:00,042 INFO L87 Difference]: Start difference. First operand 241 states and 335 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:00,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:00,200 INFO L93 Difference]: Finished difference Result 717 states and 986 transitions. [2021-10-13 07:22:00,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:22:00,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 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 49 [2021-10-13 07:22:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:00,204 INFO L225 Difference]: With dead ends: 717 [2021-10-13 07:22:00,205 INFO L226 Difference]: Without dead ends: 482 [2021-10-13 07:22:00,206 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 79.5ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:22:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-10-13 07:22:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 262. [2021-10-13 07:22:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 261 states have (on average 1.3639846743295019) internal successors, (356), 261 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 356 transitions. [2021-10-13 07:22:00,244 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 356 transitions. Word has length 49 [2021-10-13 07:22:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:00,244 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 356 transitions. [2021-10-13 07:22:00,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 356 transitions. [2021-10-13 07:22:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 07:22:00,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:00,247 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:00,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:00,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:00,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:22:00,665 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:22:00,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:00,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1811488646, now seen corresponding path program 1 times [2021-10-13 07:22:00,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:00,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557400708] [2021-10-13 07:22:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:00,667 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:00,669 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:00,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:22:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:01,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 07:22:01,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:01,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:01,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:22:01,486 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:01,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557400708] [2021-10-13 07:22:01,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557400708] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:01,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1193522280] [2021-10-13 07:22:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:01,487 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:22:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:22:01,489 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:22:01,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:22:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:01,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:22:01,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:22:02,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:22:02,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1193522280] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:02,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:22:02,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [3, 3] total 11 [2021-10-13 07:22:02,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416346458] [2021-10-13 07:22:02,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:22:02,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:02,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:22:02,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:22:02,216 INFO L87 Difference]: Start difference. First operand 262 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:02,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:02,386 INFO L93 Difference]: Finished difference Result 681 states and 922 transitions. [2021-10-13 07:22:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:22:02,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-13 07:22:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:02,390 INFO L225 Difference]: With dead ends: 681 [2021-10-13 07:22:02,391 INFO L226 Difference]: Without dead ends: 425 [2021-10-13 07:22:02,392 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 119.8ms TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:22:02,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2021-10-13 07:22:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 239. [2021-10-13 07:22:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 238 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 318 transitions. [2021-10-13 07:22:02,433 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 318 transitions. Word has length 49 [2021-10-13 07:22:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:02,435 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 318 transitions. [2021-10-13 07:22:02,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2021-10-13 07:22:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 07:22:02,437 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:02,438 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:22:02,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:02,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:02,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:22:02,852 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:22:02,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2021-10-13 07:22:02,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:02,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222524720] [2021-10-13 07:22:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:02,853 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:02,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:02,857 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:02,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 07:22:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:03,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:22:03,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:03,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:03,732 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:03,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222524720] [2021-10-13 07:22:03,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222524720] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:03,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [635905491] [2021-10-13 07:22:03,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:03,732 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:22:03,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:22:03,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:22:03,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-13 07:22:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:04,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 07:22:04,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:04,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:04,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [635905491] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:04,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089439874] [2021-10-13 07:22:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:04,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:22:04,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:22:04,810 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:22:04,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-13 07:22:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:05,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:22:05,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:05,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:22:05,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089439874] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:22:05,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:22:05,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 12 [2021-10-13 07:22:05,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83935817] [2021-10-13 07:22:05,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 07:22:05,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 07:22:05,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:22:05,832 INFO L87 Difference]: Start difference. First operand 239 states and 318 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:13,666 INFO L93 Difference]: Finished difference Result 2973 states and 4035 transitions. [2021-10-13 07:22:13,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-10-13 07:22:13,667 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 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 57 [2021-10-13 07:22:13,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:13,686 INFO L225 Difference]: With dead ends: 2973 [2021-10-13 07:22:13,686 INFO L226 Difference]: Without dead ends: 2783 [2021-10-13 07:22:13,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2233 ImplicationChecksByTransitivity, 1516.5ms TimeCoverageRelationStatistics Valid=1070, Invalid=4936, Unknown=0, NotChecked=0, Total=6006 [2021-10-13 07:22:13,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2021-10-13 07:22:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 401. [2021-10-13 07:22:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.3475) internal successors, (539), 400 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 539 transitions. [2021-10-13 07:22:13,794 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 539 transitions. Word has length 57 [2021-10-13 07:22:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:13,794 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 539 transitions. [2021-10-13 07:22:13,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 539 transitions. [2021-10-13 07:22:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 07:22:13,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:22:13,797 INFO L512 BasicCegarLoop]: trace histogram [3, 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] [2021-10-13 07:22:13,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:14,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:14,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:14,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:22:14,413 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:22:14,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:22:14,413 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2021-10-13 07:22:14,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:22:14,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586747588] [2021-10-13 07:22:14,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:22:14,414 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:22:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:22:14,415 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:22:14,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 07:22:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:22:14,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:22:14,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:22:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 07:22:15,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:22:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 07:22:15,356 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:22:15,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586747588] [2021-10-13 07:22:15,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586747588] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:22:15,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:22:15,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:22:15,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390752305] [2021-10-13 07:22:15,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:22:15,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:22:15,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:22:15,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:22:15,359 INFO L87 Difference]: Start difference. First operand 401 states and 539 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) [2021-10-13 07:22:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:22:15,475 INFO L93 Difference]: Finished difference Result 706 states and 934 transitions. [2021-10-13 07:22:15,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:22:15,476 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 [2021-10-13 07:22:15,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:22:15,477 INFO L225 Difference]: With dead ends: 706 [2021-10-13 07:22:15,477 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:22:15,479 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 63.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:22:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:22:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:22:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:22:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:22:15,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-13 07:22:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:22:15,480 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:22:15,480 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) [2021-10-13 07:22:15,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:22:15,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:22:15,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:15,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:15,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:22:15,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 07:22:15,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:22:15,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:22:15,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:15,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:16,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:17,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:18,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:22:26,967 INFO L860 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2021-10-13 07:22:26,968 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-13 07:22:26,968 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,968 INFO L857 garLoopResultBuilder]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,968 INFO L857 garLoopResultBuilder]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,968 INFO L857 garLoopResultBuilder]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,969 INFO L853 garLoopResultBuilder]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-13 07:22:26,969 INFO L857 garLoopResultBuilder]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,969 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2021-10-13 07:22:26,969 INFO L857 garLoopResultBuilder]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,969 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2021-10-13 07:22:26,970 INFO L857 garLoopResultBuilder]: For program point L267-9(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,970 INFO L857 garLoopResultBuilder]: For program point L267-11(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,970 INFO L857 garLoopResultBuilder]: For program point L267-12(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,970 INFO L857 garLoopResultBuilder]: For program point L267-14(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,970 INFO L857 garLoopResultBuilder]: For program point L267-15(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,970 INFO L853 garLoopResultBuilder]: At program point L730(lines 679 731) the Hoare annotation is: false [2021-10-13 07:22:26,971 INFO L857 garLoopResultBuilder]: For program point L267-17(lines 267 271) no Hoare annotation was computed. [2021-10-13 07:22:26,971 INFO L853 garLoopResultBuilder]: At program point L963(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,971 INFO L853 garLoopResultBuilder]: At program point L963-1(lines 954 967) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:22:26,971 INFO L853 garLoopResultBuilder]: At program point L963-2(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,972 INFO L853 garLoopResultBuilder]: At program point L963-3(lines 954 967) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-13 07:22:26,972 INFO L853 garLoopResultBuilder]: At program point L963-4(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,972 INFO L853 garLoopResultBuilder]: At program point L963-5(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,972 INFO L853 garLoopResultBuilder]: At program point L963-6(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,972 INFO L853 garLoopResultBuilder]: At program point L963-7(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,973 INFO L853 garLoopResultBuilder]: At program point L963-8(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,973 INFO L853 garLoopResultBuilder]: At program point L963-9(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,973 INFO L853 garLoopResultBuilder]: At program point L963-10(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,973 INFO L853 garLoopResultBuilder]: At program point L963-11(lines 954 967) the Hoare annotation is: false [2021-10-13 07:22:26,973 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 706) no Hoare annotation was computed. [2021-10-13 07:22:26,974 INFO L853 garLoopResultBuilder]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4))) [2021-10-13 07:22:26,974 INFO L853 garLoopResultBuilder]: At program point L273(lines 258 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:22:26,974 INFO L853 garLoopResultBuilder]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2021-10-13 07:22:26,974 INFO L853 garLoopResultBuilder]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2021-10-13 07:22:26,975 INFO L853 garLoopResultBuilder]: At program point L273-3(lines 258 276) the Hoare annotation is: false [2021-10-13 07:22:26,975 INFO L853 garLoopResultBuilder]: At program point L273-4(lines 258 276) the Hoare annotation is: false [2021-10-13 07:22:26,975 INFO L853 garLoopResultBuilder]: At program point L273-5(lines 258 276) the Hoare annotation is: false [2021-10-13 07:22:26,975 INFO L853 garLoopResultBuilder]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:22:26,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-13 07:22:26,975 INFO L857 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 163) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 146 163) no Hoare annotation was computed. [2021-10-13 07:22:26,976 INFO L857 garLoopResultBuilder]: For program point L146-2(lines 146 163) no Hoare annotation was computed. [2021-10-13 07:22:26,977 INFO L853 garLoopResultBuilder]: At program point L973(lines 968 976) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:22:26,977 INFO L853 garLoopResultBuilder]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2021-10-13 07:22:26,977 INFO L853 garLoopResultBuilder]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2021-10-13 07:22:26,977 INFO L853 garLoopResultBuilder]: At program point L973-3(lines 968 976) the Hoare annotation is: false [2021-10-13 07:22:26,978 INFO L853 garLoopResultBuilder]: At program point L973-4(lines 968 976) the Hoare annotation is: false [2021-10-13 07:22:26,978 INFO L853 garLoopResultBuilder]: At program point L973-5(lines 968 976) the Hoare annotation is: false [2021-10-13 07:22:26,978 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 725) no Hoare annotation was computed. [2021-10-13 07:22:26,978 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-13 07:22:26,978 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-13 07:22:26,979 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,979 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,979 INFO L857 garLoopResultBuilder]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,979 INFO L857 garLoopResultBuilder]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,979 INFO L857 garLoopResultBuilder]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,980 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:22:26,980 INFO L857 garLoopResultBuilder]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,980 INFO L857 garLoopResultBuilder]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,980 INFO L857 garLoopResultBuilder]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,980 INFO L857 garLoopResultBuilder]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-18(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-20(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,981 INFO L857 garLoopResultBuilder]: For program point L248-21(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,982 INFO L857 garLoopResultBuilder]: For program point L248-23(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,982 INFO L857 garLoopResultBuilder]: For program point L248-24(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,982 INFO L857 garLoopResultBuilder]: For program point L248-26(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,982 INFO L857 garLoopResultBuilder]: For program point L248-27(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,982 INFO L857 garLoopResultBuilder]: For program point L248-29(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L248-30(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L248-32(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L248-33(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 158) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 150 158) no Hoare annotation was computed. [2021-10-13 07:22:26,983 INFO L857 garLoopResultBuilder]: For program point L248-35(lines 248 252) no Hoare annotation was computed. [2021-10-13 07:22:26,984 INFO L857 garLoopResultBuilder]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2021-10-13 07:22:26,984 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 778 792) the Hoare annotation is: false [2021-10-13 07:22:26,984 INFO L857 garLoopResultBuilder]: For program point L779(line 779) no Hoare annotation was computed. [2021-10-13 07:22:26,984 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:22:26,984 INFO L857 garLoopResultBuilder]: For program point L681(lines 680 729) no Hoare annotation was computed. [2021-10-13 07:22:26,985 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,985 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,985 INFO L857 garLoopResultBuilder]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,985 INFO L857 garLoopResultBuilder]: For program point L120-3(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,985 INFO L857 garLoopResultBuilder]: For program point L120-4(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L120-5(lines 120 137) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L682(lines 682 686) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-10-13 07:22:26,986 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2021-10-13 07:22:26,987 INFO L857 garLoopResultBuilder]: For program point L782-1(lines 62 68) no Hoare annotation was computed. [2021-10-13 07:22:26,987 INFO L853 garLoopResultBuilder]: At program point L749-1(lines 1 1011) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse7 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 .cse7) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse4))) [2021-10-13 07:22:26,987 INFO L857 garLoopResultBuilder]: For program point L749-2(lines 749 762) no Hoare annotation was computed. [2021-10-13 07:22:26,987 INFO L857 garLoopResultBuilder]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2021-10-13 07:22:26,988 INFO L853 garLoopResultBuilder]: At program point L749-3(lines 1 1011) the Hoare annotation is: false [2021-10-13 07:22:26,988 INFO L857 garLoopResultBuilder]: For program point L749-4(lines 749 762) no Hoare annotation was computed. [2021-10-13 07:22:26,988 INFO L853 garLoopResultBuilder]: At program point L749-5(lines 1 1011) the Hoare annotation is: false [2021-10-13 07:22:26,988 INFO L853 garLoopResultBuilder]: At program point L254(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,988 INFO L853 garLoopResultBuilder]: At program point L254-1(lines 239 257) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:22:26,989 INFO L853 garLoopResultBuilder]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,989 INFO L853 garLoopResultBuilder]: At program point L254-3(lines 239 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-10-13 07:22:26,989 INFO L853 garLoopResultBuilder]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,989 INFO L853 garLoopResultBuilder]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,989 INFO L853 garLoopResultBuilder]: At program point L254-6(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,990 INFO L853 garLoopResultBuilder]: At program point L254-7(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,990 INFO L853 garLoopResultBuilder]: At program point L254-8(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,990 INFO L853 garLoopResultBuilder]: At program point L254-9(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,990 INFO L853 garLoopResultBuilder]: At program point L254-10(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,990 INFO L853 garLoopResultBuilder]: At program point L254-11(lines 239 257) the Hoare annotation is: false [2021-10-13 07:22:26,991 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-10-13 07:22:26,991 INFO L853 garLoopResultBuilder]: At program point L718-1(lines 62 68) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse3 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))))) [2021-10-13 07:22:26,991 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:22:26,991 INFO L853 garLoopResultBuilder]: At program point L190(lines 183 193) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:22:26,991 INFO L853 garLoopResultBuilder]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2021-10-13 07:22:26,992 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,992 INFO L853 garLoopResultBuilder]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2021-10-13 07:22:26,992 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,992 INFO L857 garLoopResultBuilder]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,992 INFO L857 garLoopResultBuilder]: For program point L124-3(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,993 INFO L857 garLoopResultBuilder]: For program point L124-4(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,993 INFO L857 garLoopResultBuilder]: For program point L124-5(lines 124 132) no Hoare annotation was computed. [2021-10-13 07:22:26,993 INFO L853 garLoopResultBuilder]: At program point L950(lines 945 953) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-13 07:22:26,993 INFO L853 garLoopResultBuilder]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2021-10-13 07:22:26,993 INFO L853 garLoopResultBuilder]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2021-10-13 07:22:26,994 INFO L853 garLoopResultBuilder]: At program point L918(lines 913 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:22:26,994 INFO L853 garLoopResultBuilder]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2021-10-13 07:22:26,994 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2021-10-13 07:22:26,994 INFO L853 garLoopResultBuilder]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2021-10-13 07:22:26,994 INFO L860 garLoopResultBuilder]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2021-10-13 07:22:26,995 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-10-13 07:22:26,995 INFO L857 garLoopResultBuilder]: For program point L753-2(lines 753 759) no Hoare annotation was computed. [2021-10-13 07:22:26,995 INFO L857 garLoopResultBuilder]: For program point L753-4(lines 753 759) no Hoare annotation was computed. [2021-10-13 07:22:26,995 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,995 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,996 INFO L857 garLoopResultBuilder]: For program point L94-6(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,997 INFO L857 garLoopResultBuilder]: For program point L94-7(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,997 INFO L857 garLoopResultBuilder]: For program point L94-8(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,997 INFO L857 garLoopResultBuilder]: For program point L94-9(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,997 INFO L857 garLoopResultBuilder]: For program point L94-10(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,997 INFO L857 garLoopResultBuilder]: For program point L94-11(lines 94 111) no Hoare annotation was computed. [2021-10-13 07:22:26,998 INFO L853 garLoopResultBuilder]: At program point L62(lines 61 80) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse3))) [2021-10-13 07:22:26,998 INFO L857 garLoopResultBuilder]: For program point L62-1(lines 62 68) no Hoare annotation was computed. [2021-10-13 07:22:26,998 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 61 80) the Hoare annotation is: false [2021-10-13 07:22:26,998 INFO L853 garLoopResultBuilder]: At program point L62-3(lines 61 80) the Hoare annotation is: false [2021-10-13 07:22:26,998 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2021-10-13 07:22:26,999 INFO L853 garLoopResultBuilder]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse7 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse4))) [2021-10-13 07:22:26,999 INFO L857 garLoopResultBuilder]: For program point L98(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:26,999 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:26,999 INFO L857 garLoopResultBuilder]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:26,999 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:22:26,999 INFO L857 garLoopResultBuilder]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,000 INFO L857 garLoopResultBuilder]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,000 INFO L857 garLoopResultBuilder]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,000 INFO L857 garLoopResultBuilder]: For program point L98-6(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,000 INFO L857 garLoopResultBuilder]: For program point L98-7(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,000 INFO L857 garLoopResultBuilder]: For program point L98-8(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,001 INFO L857 garLoopResultBuilder]: For program point L98-9(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,001 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-13 07:22:27,001 INFO L857 garLoopResultBuilder]: For program point L98-10(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,001 INFO L857 garLoopResultBuilder]: For program point L98-11(lines 98 106) no Hoare annotation was computed. [2021-10-13 07:22:27,001 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,002 INFO L857 garLoopResultBuilder]: For program point L958-1(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,002 INFO L857 garLoopResultBuilder]: For program point L958-2(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,002 INFO L857 garLoopResultBuilder]: For program point L958-3(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,002 INFO L853 garLoopResultBuilder]: At program point L826(lines 822 828) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:22:27,002 INFO L857 garLoopResultBuilder]: For program point L958-4(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-5(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-6(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-7(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-8(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-9(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,003 INFO L857 garLoopResultBuilder]: For program point L958-10(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,004 INFO L857 garLoopResultBuilder]: For program point L958-11(lines 958 964) no Hoare annotation was computed. [2021-10-13 07:22:27,004 INFO L853 garLoopResultBuilder]: At program point L199(lines 194 202) the Hoare annotation is: false [2021-10-13 07:22:27,004 INFO L853 garLoopResultBuilder]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2021-10-13 07:22:27,004 INFO L853 garLoopResultBuilder]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2021-10-13 07:22:27,004 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-10-13 07:22:27,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:22:27,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:22:27 BoogieIcfgContainer [2021-10-13 07:22:27,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:22:27,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:22:27,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:22:27,047 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:22:27,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:21:52" (3/4) ... [2021-10-13 07:22:27,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:22:27,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:22:27,086 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:22:27,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:22:27,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:22:27,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:22:27,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:22:27,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:22:27,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:22:27,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:22:27,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) [2021-10-13 07:22:27,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 07:22:27,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-13 07:22:27,136 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-13 07:22:27,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-13 07:22:27,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:22:27,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-13 07:22:27,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-10-13 07:22:27,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-10-13 07:22:27,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-10-13 07:22:27,263 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:22:27,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:22:27,265 INFO L168 Benchmark]: Toolchain (without parser) took 39150.80 ms. Allocated memory was 52.4 MB in the beginning and 195.0 MB in the end (delta: 142.6 MB). Free memory was 28.6 MB in the beginning and 147.9 MB in the end (delta: -119.2 MB). Peak memory consumption was 129.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,266 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:22:27,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.14 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 41.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.54 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 36.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,268 INFO L168 Benchmark]: Boogie Preprocessor took 80.49 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 49.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,268 INFO L168 Benchmark]: RCFGBuilder took 3442.29 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 62.6 MB in the end (delta: -13.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,269 INFO L168 Benchmark]: TraceAbstraction took 34427.33 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 62.0 MB in the beginning and 50.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 125.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,270 INFO L168 Benchmark]: Witness Printer took 216.28 ms. Allocated memory is still 195.0 MB. Free memory was 50.4 MB in the beginning and 147.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:22:27,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 52.4 MB. Free memory was 33.8 MB in the beginning and 33.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 854.14 ms. Allocated memory was 52.4 MB in the beginning and 71.3 MB in the end (delta: 18.9 MB). Free memory was 28.4 MB in the beginning and 41.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.54 ms. Allocated memory is still 71.3 MB. Free memory was 41.4 MB in the beginning and 36.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.49 ms. Allocated memory is still 71.3 MB. Free memory was 36.5 MB in the beginning and 49.8 MB in the end (delta: -13.3 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3442.29 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 49.5 MB in the beginning and 62.6 MB in the end (delta: -13.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34427.33 ms. Allocated memory was 90.2 MB in the beginning and 195.0 MB in the end (delta: 104.9 MB). Free memory was 62.0 MB in the beginning and 50.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 125.8 MB. Max. memory is 16.1 GB. * Witness Printer took 216.28 ms. Allocated memory is still 195.0 MB. Free memory was 50.4 MB in the beginning and 147.9 MB in the end (delta: -97.5 MB). Peak memory consumption was 9.5 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: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 34318.0ms, OverallIterations: 10, TraceHistogramMax: 3, EmptinessCheckTime: 35.4ms, AutomataDifference: 9376.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11269.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1593 SDtfs, 4970 SDslu, 4790 SDs, 0 SdLazy, 868 SolverSat, 221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6160.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1335 GetRequests, 1200 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 2084.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 367.9ms AutomataMinimizationTime, 10 MinimizatonAttempts, 3605 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 191 NumberOfFragments, 846 HoareAnnotationTreeSize, 68 FomulaSimplifications, 533703 FormulaSimplificationTreeSizeReduction, 2513.7ms HoareSimplificationTime, 68 FomulaSimplificationsInter, 341068 FormulaSimplificationTreeSizeReductionInter, 8736.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 380.5ms SsaConstructionTime, 1718.8ms SatisfiabilityAnalysisTime, 4954.3ms InterpolantComputationTime, 636 NumberOfCodeBlocks, 636 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1242 ConstructedInterpolants, 0 QuantifiedInterpolants, 2671 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3377 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 284/362 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: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:22:27,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28cd6d5d-146c-48ce-8aee-47023ed9ff33/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...