./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8 --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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:48:01,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:48:01,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:48:01,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:48:01,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:48:01,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:48:01,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:48:01,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:48:01,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:48:01,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:48:01,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:48:01,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:48:01,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:48:01,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:48:01,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:48:01,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:48:01,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:48:01,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:48:01,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:48:01,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:48:01,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:48:01,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:48:01,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:48:01,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:48:01,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:48:01,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:48:01,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:48:01,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:48:01,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:48:01,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:48:01,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:48:01,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:48:01,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:48:01,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:48:01,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:48:01,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:48:01,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:48:01,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:48:01,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:48:01,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:48:01,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:48:01,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:48:01,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:48:01,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:48:01,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:48:01,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:48:01,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:48:01,207 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:48:01,207 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:48:01,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:48:01,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:48:01,208 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:48:01,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:48:01,210 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:48:01,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:48:01,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:48:01,211 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:48:01,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:48:01,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:48:01,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:48:01,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:48:01,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:48:01,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:48:01,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:48:01,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:48:01,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:48:01,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:48:01,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:48:01,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:48:01,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:48:01,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:48:01,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:48:01,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:01,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:48:01,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:48:01,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:48:01,218 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:48:01,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:48:01,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:48:01,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:48:01,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:48:01,219 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2021-11-07 01:48:01,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:48:01,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:48:01,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:48:01,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:48:01,526 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:48:01,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-07 01:48:01,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/8700f5dc2/cef80d87aa01457a806fc64343f061a1/FLAGfe5eef8e3 [2021-11-07 01:48:02,174 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:48:02,175 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-07 01:48:02,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/8700f5dc2/cef80d87aa01457a806fc64343f061a1/FLAGfe5eef8e3 [2021-11-07 01:48:02,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/8700f5dc2/cef80d87aa01457a806fc64343f061a1 [2021-11-07 01:48:02,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:48:02,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:48:02,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:02,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:48:02,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:48:02,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:02" (1/1) ... [2021-11-07 01:48:02,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f16f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:02, skipping insertion in model container [2021-11-07 01:48:02,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:02" (1/1) ... [2021-11-07 01:48:02,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:48:02,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:02,889 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-07 01:48:02,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:02,904 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) [2021-11-07 01:48:02,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23f29f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:02, skipping insertion in model container [2021-11-07 01:48:02,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:02,906 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:48:02,908 INFO L168 Benchmark]: Toolchain (without parser) took 393.69 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 75.3 MB in the beginning and 123.6 MB in the end (delta: -48.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:02,908 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:02,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.61 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 75.0 MB in the beginning and 123.6 MB in the end (delta: -48.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:02,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 109.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 390.61 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 75.0 MB in the beginning and 123.6 MB in the end (delta: -48.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 512]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8 --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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:48:05,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:48:05,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:48:05,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:48:05,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:48:05,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:48:05,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:48:05,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:48:05,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:48:05,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:48:05,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:48:05,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:48:05,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:48:05,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:48:05,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:48:05,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:48:05,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:48:05,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:48:05,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:48:05,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:48:05,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:48:05,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:48:05,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:48:05,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:48:05,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:48:05,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:48:05,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:48:05,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:48:05,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:48:05,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:48:05,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:48:05,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:48:05,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:48:05,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:48:05,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:48:05,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:48:05,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:48:05,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:48:05,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:48:05,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:48:05,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:48:05,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:48:05,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:48:05,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:48:05,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:48:05,518 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:48:05,518 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:48:05,518 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:48:05,518 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:48:05,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:48:05,519 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:48:05,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:48:05,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:48:05,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:48:05,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:48:05,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:48:05,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:48:05,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:48:05,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:48:05,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:48:05,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:48:05,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:48:05,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:48:05,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:05,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:48:05,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:48:05,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:48:05,525 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:48:05,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:48:05,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:48:05,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:48:05,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:48:05,526 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2021-11-07 01:48:05,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:48:05,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:48:05,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:48:05,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:48:05,906 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:48:05,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-07 01:48:05,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/e3c397979/e78a7d5d9ecd41d49fbe031358c815c4/FLAGf29bb720b [2021-11-07 01:48:06,598 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:48:06,598 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2021-11-07 01:48:06,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/e3c397979/e78a7d5d9ecd41d49fbe031358c815c4/FLAGf29bb720b [2021-11-07 01:48:06,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/data/e3c397979/e78a7d5d9ecd41d49fbe031358c815c4 [2021-11-07 01:48:06,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:48:06,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:48:06,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:06,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:48:06,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:48:06,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:06" (1/1) ... [2021-11-07 01:48:06,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e95bf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:06, skipping insertion in model container [2021-11-07 01:48:06,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:06" (1/1) ... [2021-11-07 01:48:06,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:48:06,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:07,461 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-07 01:48:07,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:07,495 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:48:07,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:07,611 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-07 01:48:07,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:07,620 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:48:07,688 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_b7ea9575-a3fe-475f-be1d-7ab63f31783d/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2021-11-07 01:48:07,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:07,729 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:48:07,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07 WrapperNode [2021-11-07 01:48:07,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:07,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:07,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:48:07,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:48:07,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:07,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:48:07,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:48:07,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:48:07,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:48:07,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:48:07,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:48:07,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:48:07,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (1/1) ... [2021-11-07 01:48:07,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:08,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:48:08,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:48:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:48:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:48:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:48:08,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:48:10,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:48:10,559 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2021-11-07 01:48:10,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:10 BoogieIcfgContainer [2021-11-07 01:48:10,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:48:10,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:48:10,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:48:10,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:48:10,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:48:06" (1/3) ... [2021-11-07 01:48:10,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e9787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:10, skipping insertion in model container [2021-11-07 01:48:10,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:07" (2/3) ... [2021-11-07 01:48:10,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e9787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:10, skipping insertion in model container [2021-11-07 01:48:10,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:10" (3/3) ... [2021-11-07 01:48:10,571 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2021-11-07 01:48:10,577 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:48:10,577 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:48:10,634 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:48:10,640 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:48:10,641 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:48:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 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) [2021-11-07 01:48:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:48:10,664 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:10,665 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:10,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:10,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:10,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2021-11-07 01:48:10,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:10,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857213214] [2021-11-07 01:48:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:10,686 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:10,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:10,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:10,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:48:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:10,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:48:10,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:10,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:11,043 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:11,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857213214] [2021-11-07 01:48:11,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857213214] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:11,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:11,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:48:11,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70566295] [2021-11-07 01:48:11,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:48:11,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:11,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:48:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:48:11,069 INFO L87 Difference]: Start difference. First operand has 128 states, 124 states have (on average 1.5483870967741935) internal successors, (192), 127 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-07 01:48:11,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:11,102 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2021-11-07 01:48:11,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:48:11,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:48:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:11,117 INFO L225 Difference]: With dead ends: 249 [2021-11-07 01:48:11,117 INFO L226 Difference]: Without dead ends: 124 [2021-11-07 01:48:11,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:48:11,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-07 01:48:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-07 01:48:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 121 states have (on average 1.487603305785124) internal successors, (180), 123 states have internal predecessors, (180), 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) [2021-11-07 01:48:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2021-11-07 01:48:11,166 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2021-11-07 01:48:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:11,167 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2021-11-07 01:48:11,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-11-07 01:48:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2021-11-07 01:48:11,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:48:11,169 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:11,169 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:11,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:11,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:11,383 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:11,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:11,384 INFO L85 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2021-11-07 01:48:11,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:11,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625924831] [2021-11-07 01:48:11,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:11,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:11,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:11,388 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:11,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:48:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:11,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:48:11,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:11,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:11,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:11,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625924831] [2021-11-07 01:48:11,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625924831] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:11,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:11,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:48:11,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062804722] [2021-11-07 01:48:11,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:48:11,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:48:11,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:11,838 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 01:48:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:11,858 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2021-11-07 01:48:11,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:48:11,859 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-11-07 01:48:11,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:11,860 INFO L225 Difference]: With dead ends: 124 [2021-11-07 01:48:11,860 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:48:11,862 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:48:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:48:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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) [2021-11-07 01:48:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-11-07 01:48:11,871 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2021-11-07 01:48:11,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:11,871 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-11-07 01:48:11,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-11-07 01:48:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-11-07 01:48:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:48:11,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:11,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:11,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:12,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:12,094 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2021-11-07 01:48:12,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:12,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1292852320] [2021-11-07 01:48:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:12,097 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:12,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:12,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:48:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:12,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:48:12,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:12,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:12,531 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:12,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1292852320] [2021-11-07 01:48:12,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1292852320] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:12,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:12,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:48:12,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339330662] [2021-11-07 01:48:12,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:48:12,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:12,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:48:12,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:12,534 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 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) [2021-11-07 01:48:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:12,557 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2021-11-07 01:48:12,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:48:12,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 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 26 [2021-11-07 01:48:12,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:12,560 INFO L225 Difference]: With dead ends: 171 [2021-11-07 01:48:12,560 INFO L226 Difference]: Without dead ends: 125 [2021-11-07 01:48:12,561 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-11-07 01:48:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 75. [2021-11-07 01:48:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-11-07 01:48:12,572 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-11-07 01:48:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:12,573 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-11-07 01:48:12,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 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) [2021-11-07 01:48:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-11-07 01:48:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 01:48:12,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:12,575 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:12,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:12,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:12,787 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2021-11-07 01:48:12,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:12,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038389152] [2021-11-07 01:48:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:12,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:12,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:12,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:12,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:48:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:12,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:48:12,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:13,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:13,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:13,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038389152] [2021-11-07 01:48:13,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038389152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:13,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:13,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:48:13,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762751873] [2021-11-07 01:48:13,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:48:13,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:13,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:48:13,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:48:13,118 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:13,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:13,193 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2021-11-07 01:48:13,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:48:13,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 01:48:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:13,196 INFO L225 Difference]: With dead ends: 167 [2021-11-07 01:48:13,196 INFO L226 Difference]: Without dead ends: 99 [2021-11-07 01:48:13,197 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:48:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2021-11-07 01:48:13,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2021-11-07 01:48:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 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) [2021-11-07 01:48:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2021-11-07 01:48:13,222 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2021-11-07 01:48:13,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:13,222 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2021-11-07 01:48:13,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2021-11-07 01:48:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:48:13,224 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:13,224 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:13,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:13,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:13,437 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2021-11-07 01:48:13,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:13,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660631494] [2021-11-07 01:48:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:13,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:13,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:13,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:48:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:13,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:13,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:13,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:13,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:13,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660631494] [2021-11-07 01:48:13,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660631494] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:13,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:13,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:48:13,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840208507] [2021-11-07 01:48:13,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:48:13,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:13,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:48:13,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:13,818 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-07 01:48:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:14,020 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2021-11-07 01:48:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:48:14,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-11-07 01:48:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:14,025 INFO L225 Difference]: With dead ends: 314 [2021-11-07 01:48:14,025 INFO L226 Difference]: Without dead ends: 224 [2021-11-07 01:48:14,026 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:48:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-11-07 01:48:14,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2021-11-07 01:48:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 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) [2021-11-07 01:48:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2021-11-07 01:48:14,045 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2021-11-07 01:48:14,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:14,045 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2021-11-07 01:48:14,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-07 01:48:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2021-11-07 01:48:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:48:14,047 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:14,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:14,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:14,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:14,248 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:14,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:14,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2021-11-07 01:48:14,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:14,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848461772] [2021-11-07 01:48:14,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:14,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:14,250 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:14,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:48:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:14,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:14,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:14,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:14,759 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:14,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848461772] [2021-11-07 01:48:14,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848461772] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:14,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:14,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:48:14,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284906147] [2021-11-07 01:48:14,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:48:14,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:48:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:48:14,762 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-11-07 01:48:14,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:14,882 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2021-11-07 01:48:14,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:48:14,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-11-07 01:48:14,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:14,885 INFO L225 Difference]: With dead ends: 276 [2021-11-07 01:48:14,885 INFO L226 Difference]: Without dead ends: 188 [2021-11-07 01:48:14,886 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:48:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-07 01:48:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2021-11-07 01:48:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 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) [2021-11-07 01:48:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2021-11-07 01:48:14,906 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2021-11-07 01:48:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:14,906 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2021-11-07 01:48:14,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-11-07 01:48:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2021-11-07 01:48:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:48:14,909 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:14,909 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:14,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:15,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:15,125 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2021-11-07 01:48:15,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:15,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893869716] [2021-11-07 01:48:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:15,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:15,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:15,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:15,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:48:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:15,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:48:15,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:15,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:15,619 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:15,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893869716] [2021-11-07 01:48:15,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1893869716] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:15,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:15,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:48:15,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709730609] [2021-11-07 01:48:15,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:48:15,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:15,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:48:15,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:48:15,623 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-11-07 01:48:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:15,703 INFO L93 Difference]: Finished difference Result 293 states and 397 transitions. [2021-11-07 01:48:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:48:15,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 34 [2021-11-07 01:48:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:15,706 INFO L225 Difference]: With dead ends: 293 [2021-11-07 01:48:15,706 INFO L226 Difference]: Without dead ends: 199 [2021-11-07 01:48:15,709 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:48:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-11-07 01:48:15,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 105. [2021-11-07 01:48:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 104 states have (on average 1.3557692307692308) internal successors, (141), 104 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) [2021-11-07 01:48:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2021-11-07 01:48:15,747 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2021-11-07 01:48:15,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:15,748 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2021-11-07 01:48:15,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-11-07 01:48:15,749 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2021-11-07 01:48:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:48:15,754 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:15,755 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:15,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:15,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:15,967 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:15,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2021-11-07 01:48:15,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:15,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800757896] [2021-11-07 01:48:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:15,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:15,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:15,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:48:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:16,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:48:16,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:16,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:16,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:16,562 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:16,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800757896] [2021-11-07 01:48:16,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [800757896] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:16,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:16,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:48:16,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771393009] [2021-11-07 01:48:16,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:48:16,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:16,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:48:16,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:16,564 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-07 01:48:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:16,665 INFO L93 Difference]: Finished difference Result 337 states and 457 transitions. [2021-11-07 01:48:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:48:16,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 34 [2021-11-07 01:48:16,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:16,669 INFO L225 Difference]: With dead ends: 337 [2021-11-07 01:48:16,669 INFO L226 Difference]: Without dead ends: 239 [2021-11-07 01:48:16,673 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:48:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-11-07 01:48:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 187. [2021-11-07 01:48:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.3494623655913978) internal successors, (251), 186 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:48:16,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 251 transitions. [2021-11-07 01:48:16,706 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 251 transitions. Word has length 34 [2021-11-07 01:48:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:16,707 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 251 transitions. [2021-11-07 01:48:16,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-07 01:48:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2021-11-07 01:48:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:48:16,715 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:16,715 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:16,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:16,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:16,930 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:16,930 INFO L85 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2021-11-07 01:48:16,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:16,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029509563] [2021-11-07 01:48:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:16,931 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:16,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:16,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:16,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:48:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:17,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:48:17,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:17,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:17,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:17,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029509563] [2021-11-07 01:48:17,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029509563] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:17,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:17,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:48:17,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988376920] [2021-11-07 01:48:17,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:48:17,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:17,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:48:17,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:48:17,572 INFO L87 Difference]: Start difference. First operand 187 states and 251 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-07 01:48:19,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:19,489 INFO L93 Difference]: Finished difference Result 948 states and 1287 transitions. [2021-11-07 01:48:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:48:19,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-11-07 01:48:19,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:19,502 INFO L225 Difference]: With dead ends: 948 [2021-11-07 01:48:19,503 INFO L226 Difference]: Without dead ends: 768 [2021-11-07 01:48:19,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:48:19,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-11-07 01:48:19,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 341. [2021-11-07 01:48:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.3294117647058823) internal successors, (452), 340 states have internal predecessors, (452), 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) [2021-11-07 01:48:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2021-11-07 01:48:19,568 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 35 [2021-11-07 01:48:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:19,570 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2021-11-07 01:48:19,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-07 01:48:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2021-11-07 01:48:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 01:48:19,572 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:19,573 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:19,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:19,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:19,788 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:19,788 INFO L85 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2021-11-07 01:48:19,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:19,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602931237] [2021-11-07 01:48:19,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:19,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:19,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:19,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:48:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:20,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:48:20,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:48:20,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 01:48:20,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:20,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602931237] [2021-11-07 01:48:20,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602931237] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:20,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [848565686] [2021-11-07 01:48:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:20,668 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:48:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:48:20,675 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:48:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 01:48:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:21,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:48:21,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:21,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:21,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [848565686] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:21,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624880273] [2021-11-07 01:48:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:21,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:21,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:21,686 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:48:21,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:48:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:22,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:22,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:22,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:22,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:48:22,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624880273] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:22,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:48:22,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-11-07 01:48:22,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565831070] [2021-11-07 01:48:22,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:48:22,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:22,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:48:22,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:48:22,482 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 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) [2021-11-07 01:48:30,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:30,932 INFO L93 Difference]: Finished difference Result 2705 states and 3671 transitions. [2021-11-07 01:48:30,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-11-07 01:48:30,932 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 01:48:30,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:30,951 INFO L225 Difference]: With dead ends: 2705 [2021-11-07 01:48:30,952 INFO L226 Difference]: Without dead ends: 2371 [2021-11-07 01:48:30,957 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3983 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2021-11-07 01:48:30,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2021-11-07 01:48:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 482. [2021-11-07 01:48:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 481 states have (on average 1.3076923076923077) internal successors, (629), 481 states have internal predecessors, (629), 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) [2021-11-07 01:48:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 629 transitions. [2021-11-07 01:48:31,037 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 629 transitions. Word has length 58 [2021-11-07 01:48:31,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:31,037 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 629 transitions. [2021-11-07 01:48:31,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 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) [2021-11-07 01:48:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 629 transitions. [2021-11-07 01:48:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 01:48:31,040 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:31,041 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:31,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:31,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-07 01:48:31,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2021-11-07 01:48:31,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:48:31,666 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:48:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:31,666 INFO L85 PathProgramCache]: Analyzing trace with hash -501828257, now seen corresponding path program 1 times [2021-11-07 01:48:31,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:48:31,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176803825] [2021-11-07 01:48:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:31,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:48:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:48:31,668 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:48:31,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-07 01:48:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:32,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:48:32,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:48:32,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:48:32,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:48:32,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176803825] [2021-11-07 01:48:32,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176803825] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:48:32,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:48:32,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:48:32,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253468435] [2021-11-07 01:48:32,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:48:32,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:48:32,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:48:32,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:48:32,684 INFO L87 Difference]: Start difference. First operand 482 states and 629 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-11-07 01:48:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:32,798 INFO L93 Difference]: Finished difference Result 799 states and 1032 transitions. [2021-11-07 01:48:32,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:48:32,799 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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 103 [2021-11-07 01:48:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:32,801 INFO L225 Difference]: With dead ends: 799 [2021-11-07 01:48:32,802 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:48:32,803 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:48:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:48:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:48:32,804 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) [2021-11-07 01:48:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:48:32,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-11-07 01:48:32,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:32,805 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:48:32,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-11-07 01:48:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:48:32,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:48:32,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:48:32,810 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:48:32,810 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:48:32,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:33,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:48:33,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:48:33,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:33,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:34,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:41,703 INFO L857 garLoopResultBuilder]: For program point L233-8(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,704 INFO L857 garLoopResultBuilder]: For program point L233-9(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,704 INFO L857 garLoopResultBuilder]: For program point L233-11(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,704 INFO L857 garLoopResultBuilder]: For program point L233-12(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,705 INFO L857 garLoopResultBuilder]: For program point L233-14(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,705 INFO L857 garLoopResultBuilder]: For program point L233-15(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,705 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,705 INFO L857 garLoopResultBuilder]: For program point L233-17(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,705 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2021-11-07 01:48:41,706 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 135 143) no Hoare annotation was computed. [2021-11-07 01:48:41,706 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 143) no Hoare annotation was computed. [2021-11-07 01:48:41,706 INFO L857 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2021-11-07 01:48:41,706 INFO L857 garLoopResultBuilder]: For program point L994-2(lines 994 1004) no Hoare annotation was computed. [2021-11-07 01:48:41,706 INFO L857 garLoopResultBuilder]: For program point L994-4(lines 994 1004) no Hoare annotation was computed. [2021-11-07 01:48:41,707 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2021-11-07 01:48:41,707 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 995 1001) no Hoare annotation was computed. [2021-11-07 01:48:41,707 INFO L857 garLoopResultBuilder]: For program point L995-4(lines 995 1001) no Hoare annotation was computed. [2021-11-07 01:48:41,707 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2021-11-07 01:48:41,708 INFO L860 garLoopResultBuilder]: At program point L368-1(lines 368 375) the Hoare annotation is: true [2021-11-07 01:48:41,708 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2021-11-07 01:48:41,708 INFO L853 garLoopResultBuilder]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-11-07 01:48:41,708 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,709 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,709 INFO L857 garLoopResultBuilder]: For program point L105-2(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,709 INFO L857 garLoopResultBuilder]: For program point L105-3(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,709 INFO L857 garLoopResultBuilder]: For program point L105-4(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,709 INFO L857 garLoopResultBuilder]: For program point L105-5(lines 105 122) no Hoare annotation was computed. [2021-11-07 01:48:41,710 INFO L853 garLoopResultBuilder]: At program point L73(lines 69 91) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-11-07 01:48:41,710 INFO L853 garLoopResultBuilder]: At program point L73-1(lines 69 91) the Hoare annotation is: false [2021-11-07 01:48:41,710 INFO L853 garLoopResultBuilder]: At program point L73-2(lines 69 91) the Hoare annotation is: false [2021-11-07 01:48:41,710 INFO L853 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: false [2021-11-07 01:48:41,711 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 224 242) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 (_ bv0 32)))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-11-07 01:48:41,711 INFO L853 garLoopResultBuilder]: At program point L239-2(lines 224 242) the Hoare annotation is: false [2021-11-07 01:48:41,711 INFO L853 garLoopResultBuilder]: At program point L239-3(lines 224 242) the Hoare annotation is: false [2021-11-07 01:48:41,711 INFO L853 garLoopResultBuilder]: At program point L239-4(lines 224 242) the Hoare annotation is: false [2021-11-07 01:48:41,712 INFO L853 garLoopResultBuilder]: At program point L239-5(lines 224 242) the Hoare annotation is: false [2021-11-07 01:48:41,712 INFO L853 garLoopResultBuilder]: At program point L471(lines 1 1010) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:41,712 INFO L853 garLoopResultBuilder]: At program point L339(lines 335 341) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:41,712 INFO L857 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,712 INFO L857 garLoopResultBuilder]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,713 INFO L857 garLoopResultBuilder]: For program point L934-2(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,713 INFO L857 garLoopResultBuilder]: For program point L934-3(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,713 INFO L857 garLoopResultBuilder]: For program point L934-4(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,713 INFO L857 garLoopResultBuilder]: For program point L934-5(lines 934 940) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109-2(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109-3(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109-4(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,714 INFO L857 garLoopResultBuilder]: For program point L109-5(lines 109 117) no Hoare annotation was computed. [2021-11-07 01:48:41,715 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-11-07 01:48:41,715 INFO L853 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2021-11-07 01:48:41,715 INFO L853 garLoopResultBuilder]: At program point L969(lines 964 971) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:41,715 INFO L860 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2021-11-07 01:48:41,716 INFO L853 garLoopResultBuilder]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-11-07 01:48:41,716 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 80 86) the Hoare annotation is: false [2021-11-07 01:48:41,716 INFO L853 garLoopResultBuilder]: At program point L80-2(lines 80 86) the Hoare annotation is: false [2021-11-07 01:48:41,716 INFO L853 garLoopResultBuilder]: At program point L939(lines 930 943) the Hoare annotation is: false [2021-11-07 01:48:41,716 INFO L853 garLoopResultBuilder]: At program point L939-1(lines 930 943) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-11-07 01:48:41,717 INFO L853 garLoopResultBuilder]: At program point L939-2(lines 930 943) the Hoare annotation is: false [2021-11-07 01:48:41,717 INFO L853 garLoopResultBuilder]: At program point L939-3(lines 930 943) the Hoare annotation is: false [2021-11-07 01:48:41,717 INFO L853 garLoopResultBuilder]: At program point L939-4(lines 930 943) the Hoare annotation is: false [2021-11-07 01:48:41,717 INFO L853 garLoopResultBuilder]: At program point L939-5(lines 930 943) the Hoare annotation is: false [2021-11-07 01:48:41,717 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2021-11-07 01:48:41,718 INFO L853 garLoopResultBuilder]: At program point L412-1(lines 412 418) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-11-07 01:48:41,718 INFO L853 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:41,718 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-11-07 01:48:41,718 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 179 187) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:48:41,719 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2021-11-07 01:48:41,719 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 179 187) the Hoare annotation is: false [2021-11-07 01:48:41,719 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 179 187) the Hoare annotation is: false [2021-11-07 01:48:41,719 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 179 187) the Hoare annotation is: false [2021-11-07 01:48:41,719 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:48:41,720 INFO L857 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,720 INFO L857 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,720 INFO L857 garLoopResultBuilder]: For program point L252-3(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,720 INFO L857 garLoopResultBuilder]: For program point L252-5(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,720 INFO L857 garLoopResultBuilder]: For program point L252-6(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,721 INFO L857 garLoopResultBuilder]: For program point L252-8(lines 252 256) no Hoare annotation was computed. [2021-11-07 01:48:41,721 INFO L853 garLoopResultBuilder]: At program point L979(lines 73 79) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-11-07 01:48:41,721 INFO L853 garLoopResultBuilder]: At program point L979-1(lines 73 79) the Hoare annotation is: false [2021-11-07 01:48:41,721 INFO L853 garLoopResultBuilder]: At program point L979-2(lines 73 79) the Hoare annotation is: false [2021-11-07 01:48:41,722 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-11-07 01:48:41,722 INFO L853 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:48:41,722 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2021-11-07 01:48:41,722 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2021-11-07 01:48:41,722 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:48:41,723 INFO L853 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: false [2021-11-07 01:48:41,723 INFO L857 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2021-11-07 01:48:41,723 INFO L857 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2021-11-07 01:48:41,723 INFO L853 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-11-07 01:48:41,724 INFO L853 garLoopResultBuilder]: At program point L258-1(lines 243 261) the Hoare annotation is: false [2021-11-07 01:48:41,724 INFO L853 garLoopResultBuilder]: At program point L258-2(lines 243 261) the Hoare annotation is: false [2021-11-07 01:48:41,724 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:48:41,724 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2021-11-07 01:48:41,724 INFO L857 garLoopResultBuilder]: For program point L293-1(lines 293 297) no Hoare annotation was computed. [2021-11-07 01:48:41,724 INFO L857 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2021-11-07 01:48:41,725 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-11-07 01:48:41,725 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-11-07 01:48:41,725 INFO L857 garLoopResultBuilder]: For program point L857-3(lines 857 861) no Hoare annotation was computed. [2021-11-07 01:48:41,725 INFO L857 garLoopResultBuilder]: For program point L857-6(lines 857 861) no Hoare annotation was computed. [2021-11-07 01:48:41,725 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2021-11-07 01:48:41,726 INFO L853 garLoopResultBuilder]: At program point L428-1(lines 428 434) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-11-07 01:48:41,726 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2021-11-07 01:48:41,726 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 131 148) no Hoare annotation was computed. [2021-11-07 01:48:41,726 INFO L857 garLoopResultBuilder]: For program point L131-2(lines 131 148) no Hoare annotation was computed. [2021-11-07 01:48:41,726 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:48:41,727 INFO L857 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2021-11-07 01:48:41,727 INFO L853 garLoopResultBuilder]: At program point L990-1(lines 1 1010) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse7 .cse4))) [2021-11-07 01:48:41,727 INFO L857 garLoopResultBuilder]: For program point L990-2(lines 990 1007) no Hoare annotation was computed. [2021-11-07 01:48:41,727 INFO L853 garLoopResultBuilder]: At program point L990-3(lines 1 1010) the Hoare annotation is: false [2021-11-07 01:48:41,728 INFO L857 garLoopResultBuilder]: For program point L990-4(lines 990 1007) no Hoare annotation was computed. [2021-11-07 01:48:41,728 INFO L853 garLoopResultBuilder]: At program point L990-5(lines 1 1010) the Hoare annotation is: false [2021-11-07 01:48:41,728 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,728 INFO L857 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,728 INFO L857 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,729 INFO L857 garLoopResultBuilder]: For program point L958-2(line 958) no Hoare annotation was computed. [2021-11-07 01:48:41,729 INFO L853 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5))) [2021-11-07 01:48:41,729 INFO L853 garLoopResultBuilder]: At program point L926-1(lines 921 929) the Hoare annotation is: false [2021-11-07 01:48:41,729 INFO L853 garLoopResultBuilder]: At program point L926-2(lines 921 929) the Hoare annotation is: false [2021-11-07 01:48:41,730 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2021-11-07 01:48:41,730 INFO L853 garLoopResultBuilder]: At program point L266-1(lines 266 272) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2021-11-07 01:48:41,730 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,730 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,730 INFO L857 garLoopResultBuilder]: For program point L233-3(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,736 INFO L857 garLoopResultBuilder]: For program point L233-5(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,736 INFO L857 garLoopResultBuilder]: For program point L233-6(lines 233 237) no Hoare annotation was computed. [2021-11-07 01:48:41,740 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:41,742 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:48:41,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:48:41 BoogieIcfgContainer [2021-11-07 01:48:41,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:48:41,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:48:41,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:48:41,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:48:41,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:10" (3/4) ... [2021-11-07 01:48:41,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:48:41,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:48:41,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:48:41,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:48:41,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:48:41,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:48:41,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:48:41,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:48:41,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) [2021-11-07 01:48:41,858 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-11-07 01:48:41,859 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-11-07 01:48:41,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,860 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,861 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-11-07 01:48:41,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,864 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-11-07 01:48:41,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:48:41,866 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-11-07 01:48:41,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:48:41,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:48:41,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:48:41,934 INFO L168 Benchmark]: Toolchain (without parser) took 35060.49 ms. Allocated memory was 73.4 MB in the beginning and 125.8 MB in the end (delta: 52.4 MB). Free memory was 53.3 MB in the beginning and 87.4 MB in the end (delta: -34.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,935 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:41,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.30 ms. Allocated memory is still 73.4 MB. Free memory was 53.1 MB in the beginning and 41.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.05 ms. Allocated memory is still 73.4 MB. Free memory was 41.1 MB in the beginning and 37.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,936 INFO L168 Benchmark]: Boogie Preprocessor took 101.03 ms. Allocated memory is still 73.4 MB. Free memory was 37.3 MB in the beginning and 34.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,937 INFO L168 Benchmark]: RCFGBuilder took 2600.25 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 34.4 MB in the beginning and 57.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,938 INFO L168 Benchmark]: TraceAbstraction took 31214.78 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.4 MB in the beginning and 97.9 MB in the end (delta: -40.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,938 INFO L168 Benchmark]: Witness Printer took 153.74 ms. Allocated memory is still 125.8 MB. Free memory was 97.9 MB in the beginning and 87.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:41,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 856.30 ms. Allocated memory is still 73.4 MB. Free memory was 53.1 MB in the beginning and 41.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 127.05 ms. Allocated memory is still 73.4 MB. Free memory was 41.1 MB in the beginning and 37.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.03 ms. Allocated memory is still 73.4 MB. Free memory was 37.3 MB in the beginning and 34.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2600.25 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 34.4 MB in the beginning and 57.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31214.78 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.4 MB in the beginning and 97.9 MB in the end (delta: -40.5 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. * Witness Printer took 153.74 ms. Allocated memory is still 125.8 MB. Free memory was 97.9 MB in the beginning and 87.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 958]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 958]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 958]: 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, 128 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1391 SDtfs, 3250 SDslu, 4026 SDs, 0 SdLazy, 1005 SolverSat, 228 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1223 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4000 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=482occurred in iteration=10, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2730 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 200 NumberOfFragments, 805 HoareAnnotationTreeSize, 51 FomulaSimplifications, 494607 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 297666 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 1939 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2913 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 290/314 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: 402]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) RESULT: Ultimate proved your program to be correct! [2021-11-07 01:48:42,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ea9575-a3fe-475f-be1d-7ab63f31783d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE