./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG --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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG --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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:24:01,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:24:01,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:24:02,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:24:02,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:24:02,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:24:02,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:24:02,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:24:02,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:24:02,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:24:02,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:24:02,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:24:02,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:24:02,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:24:02,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:24:02,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:24:02,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:24:02,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:24:02,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:24:02,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:24:02,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:24:02,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:24:02,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:24:02,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:24:02,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:24:02,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:24:02,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:24:02,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:24:02,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:24:02,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:24:02,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:24:02,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:24:02,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:24:02,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:24:02,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:24:02,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:24:02,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:24:02,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:24:02,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:24:02,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:24:02,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:24:02,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:24:02,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:24:02,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:24:02,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:24:02,203 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:24:02,203 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:24:02,204 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:24:02,204 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:24:02,212 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:24:02,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:24:02,213 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:24:02,214 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:24:02,215 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:24:02,215 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:24:02,215 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:24:02,216 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:24:02,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:24:02,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:24:02,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:24:02,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:24:02,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:24:02,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:24:02,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:24:02,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:24:02,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:24:02,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:24:02,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:24:02,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:24:02,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:24:02,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:24:02,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:24:02,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:24:02,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:24:02,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:24:02,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:24:02,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:24:02,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:24:02,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:24:02,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:24:02,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:24:02,226 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_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2021-10-29 05:24:02,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:24:02,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:24:02,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:24:02,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:24:02,598 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:24:02,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-29 05:24:02,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/98c345244/766ae77ee19d4100b70fe9f5f83f4b05/FLAG8814cbcb2 [2021-10-29 05:24:03,428 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:24:03,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-29 05:24:03,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/98c345244/766ae77ee19d4100b70fe9f5f83f4b05/FLAG8814cbcb2 [2021-10-29 05:24:03,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/98c345244/766ae77ee19d4100b70fe9f5f83f4b05 [2021-10-29 05:24:03,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:24:03,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:24:03,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:24:03,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:24:03,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:24:03,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:24:03" (1/1) ... [2021-10-29 05:24:03,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3b04a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:03, skipping insertion in model container [2021-10-29 05:24:03,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:24:03" (1/1) ... [2021-10-29 05:24:03,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:24:03,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:24:04,234 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_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-29 05:24:04,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:24:04,265 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:24:04,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e37f4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:04, skipping insertion in model container [2021-10-29 05:24:04,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:24:04,267 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:24:04,270 INFO L168 Benchmark]: Toolchain (without parser) took 593.04 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 71.4 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:24:04,271 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:24:04,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.76 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 71.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:24:04,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 76.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.76 ms. Allocated memory is still 98.6 MB. Free memory was 59.2 MB in the beginning and 71.6 MB in the end (delta: -12.5 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: 651]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:24:07,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:24:07,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:24:07,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:24:07,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:24:07,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:24:07,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:24:07,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:24:07,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:24:07,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:24:07,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:24:07,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:24:07,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:24:07,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:24:07,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:24:07,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:24:07,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:24:07,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:24:07,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:24:07,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:24:07,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:24:07,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:24:07,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:24:07,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:24:07,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:24:07,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:24:07,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:24:07,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:24:07,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:24:07,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:24:07,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:24:07,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:24:07,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:24:07,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:24:07,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:24:07,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:24:07,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:24:07,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:24:07,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:24:07,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:24:07,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:24:07,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:24:07,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:24:07,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:24:07,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:24:07,334 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:24:07,334 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:24:07,335 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:24:07,335 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:24:07,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:24:07,335 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:24:07,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:24:07,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:24:07,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:24:07,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:24:07,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:24:07,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:24:07,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:24:07,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:24:07,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:24:07,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:24:07,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:24:07,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:24:07,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:24:07,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:24:07,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:24:07,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:24:07,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:24:07,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:24:07,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:24:07,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:24:07,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:24:07,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:24:07,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:07,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:24:07,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:24:07,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:24:07,345 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_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2021-10-29 05:24:07,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:24:07,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:24:07,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:24:07,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:24:07,863 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:24:07,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-29 05:24:07,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/116009b4f/593d9777f95a436e9d4929c27da9a227/FLAG93c204659 [2021-10-29 05:24:08,696 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:24:08,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-10-29 05:24:08,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/116009b4f/593d9777f95a436e9d4929c27da9a227/FLAG93c204659 [2021-10-29 05:24:08,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/data/116009b4f/593d9777f95a436e9d4929c27da9a227 [2021-10-29 05:24:08,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:24:08,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:24:08,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:24:08,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:24:08,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:24:08,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:24:08" (1/1) ... [2021-10-29 05:24:08,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37933f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:08, skipping insertion in model container [2021-10-29 05:24:08,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:24:08" (1/1) ... [2021-10-29 05:24:08,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:24:09,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:24:09,565 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_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-29 05:24:09,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:24:09,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:24:09,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:24:09,702 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_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-29 05:24:09,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:24:09,710 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:24:09,809 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_3614c7df-d566-41d2-b455-8a032b42e720/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-10-29 05:24:09,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:24:09,844 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:24:09,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09 WrapperNode [2021-10-29 05:24:09,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:24:09,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:24:09,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:24:09,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:24:09,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:09,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:09,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:24:09,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:24:09,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:24:09,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:24:09,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:09,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:09,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:09,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:10,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:10,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:10,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:10,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:24:10,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:24:10,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:24:10,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:24:10,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (1/1) ... [2021-10-29 05:24:10,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:24:10,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:24:10,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:24:10,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:24:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:24:10,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:24:10,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:24:10,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:24:13,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:24:13,047 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-29 05:24:13,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:24:13 BoogieIcfgContainer [2021-10-29 05:24:13,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:24:13,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:24:13,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:24:13,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:24:13,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:24:08" (1/3) ... [2021-10-29 05:24:13,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5535ef52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:24:13, skipping insertion in model container [2021-10-29 05:24:13,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:24:09" (2/3) ... [2021-10-29 05:24:13,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5535ef52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:24:13, skipping insertion in model container [2021-10-29 05:24:13,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:24:13" (3/3) ... [2021-10-29 05:24:13,060 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2021-10-29 05:24:13,066 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:24:13,067 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:24:13,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:24:13,135 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:24:13,135 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:24:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:13,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 05:24:13,165 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:13,166 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:13,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:13,174 INFO L85 PathProgramCache]: Analyzing trace with hash -859371484, now seen corresponding path program 1 times [2021-10-29 05:24:13,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:13,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284136013] [2021-10-29 05:24:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:13,192 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:13,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:13,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:13,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:24:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:13,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:24:13,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:13,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:13,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:13,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284136013] [2021-10-29 05:24:13,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284136013] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:13,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:13,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:24:13,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757140309] [2021-10-29 05:24:13,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:24:13,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:13,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:24:13,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:24:13,742 INFO L87 Difference]: Start difference. First operand has 139 states, 135 states have (on average 1.5407407407407407) internal successors, (208), 138 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:13,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:13,809 INFO L93 Difference]: Finished difference Result 271 states and 408 transitions. [2021-10-29 05:24:13,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:24:13,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 05:24:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:13,830 INFO L225 Difference]: With dead ends: 271 [2021-10-29 05:24:13,830 INFO L226 Difference]: Without dead ends: 135 [2021-10-29 05:24:13,834 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:24:13,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-10-29 05:24:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2021-10-29 05:24:13,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.4848484848484849) internal successors, (196), 134 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 196 transitions. [2021-10-29 05:24:13,889 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 196 transitions. Word has length 18 [2021-10-29 05:24:13,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:13,890 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 196 transitions. [2021-10-29 05:24:13,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 196 transitions. [2021-10-29 05:24:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:24:13,895 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:13,896 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:13,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:14,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:14,111 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:14,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1078207453, now seen corresponding path program 1 times [2021-10-29 05:24:14,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:14,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004700225] [2021-10-29 05:24:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:14,114 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:14,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:14,115 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:14,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:24:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:14,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:14,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:14,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:14,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:14,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004700225] [2021-10-29 05:24:14,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004700225] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:14,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:14,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:24:14,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597776410] [2021-10-29 05:24:14,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:24:14,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:14,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:24:14,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:14,567 INFO L87 Difference]: Start difference. First operand 135 states and 196 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:14,612 INFO L93 Difference]: Finished difference Result 135 states and 196 transitions. [2021-10-29 05:24:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:24:14,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 05:24:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:14,615 INFO L225 Difference]: With dead ends: 135 [2021-10-29 05:24:14,616 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:24:14,617 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:24:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:24:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-29 05:24:14,633 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-29 05:24:14,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:14,634 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-29 05:24:14,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-29 05:24:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:24:14,637 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:14,643 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] [2021-10-29 05:24:14,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:14,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:14,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:14,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:14,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1475398090, now seen corresponding path program 1 times [2021-10-29 05:24:14,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:14,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866345416] [2021-10-29 05:24:14,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:14,854 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:14,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:14,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:14,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:24:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:15,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:15,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:15,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:15,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:15,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866345416] [2021-10-29 05:24:15,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866345416] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:15,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:15,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:24:15,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462049429] [2021-10-29 05:24:15,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:24:15,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:24:15,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:15,387 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:15,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:15,399 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-29 05:24:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:24:15,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 05:24:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:15,409 INFO L225 Difference]: With dead ends: 103 [2021-10-29 05:24:15,409 INFO L226 Difference]: Without dead ends: 55 [2021-10-29 05:24:15,410 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:15,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-29 05:24:15,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-29 05:24:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-10-29 05:24:15,418 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2021-10-29 05:24:15,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:15,424 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-10-29 05:24:15,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-10-29 05:24:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:24:15,428 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:15,428 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] [2021-10-29 05:24:15,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:15,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:15,645 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:15,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:15,645 INFO L85 PathProgramCache]: Analyzing trace with hash 597219871, now seen corresponding path program 1 times [2021-10-29 05:24:15,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:15,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393555029] [2021-10-29 05:24:15,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:15,647 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:15,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:15,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:15,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:24:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:15,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:15,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:16,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:16,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:16,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:16,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393555029] [2021-10-29 05:24:16,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393555029] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:16,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:16,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:24:16,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344092207] [2021-10-29 05:24:16,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:24:16,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:16,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:24:16,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:24:16,092 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:16,176 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2021-10-29 05:24:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:24:16,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 05:24:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:16,179 INFO L225 Difference]: With dead ends: 125 [2021-10-29 05:24:16,179 INFO L226 Difference]: Without dead ends: 77 [2021-10-29 05:24:16,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:24:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-29 05:24:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2021-10-29 05:24:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-29 05:24:16,192 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 26 [2021-10-29 05:24:16,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:16,193 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-29 05:24:16,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-29 05:24:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:24:16,195 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:16,195 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] [2021-10-29 05:24:16,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:16,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:16,411 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:16,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -105705555, now seen corresponding path program 1 times [2021-10-29 05:24:16,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:16,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25960340] [2021-10-29 05:24:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:16,413 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:16,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:16,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:24:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:16,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:16,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:16,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:16,983 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:16,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25960340] [2021-10-29 05:24:16,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25960340] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:16,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:16,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:24:16,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665110678] [2021-10-29 05:24:16,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:24:16,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:24:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:16,986 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:17,052 INFO L93 Difference]: Finished difference Result 262 states and 378 transitions. [2021-10-29 05:24:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:24:17,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 32 [2021-10-29 05:24:17,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:17,055 INFO L225 Difference]: With dead ends: 262 [2021-10-29 05:24:17,055 INFO L226 Difference]: Without dead ends: 194 [2021-10-29 05:24:17,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:24:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-29 05:24:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-10-29 05:24:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.427807486631016) internal successors, (267), 187 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2021-10-29 05:24:17,089 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 32 [2021-10-29 05:24:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:17,089 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2021-10-29 05:24:17,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2021-10-29 05:24:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 05:24:17,092 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:17,092 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] [2021-10-29 05:24:17,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:17,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:17,318 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash 481100459, now seen corresponding path program 1 times [2021-10-29 05:24:17,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:17,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228109996] [2021-10-29 05:24:17,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:17,320 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:17,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:17,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:24:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:17,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:24:17,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:17,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:17,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:17,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228109996] [2021-10-29 05:24:17,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228109996] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:17,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:17,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:24:17,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497372649] [2021-10-29 05:24:17,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:24:17,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:17,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:24:17,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:24:17,913 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:18,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:18,132 INFO L93 Difference]: Finished difference Result 972 states and 1381 transitions. [2021-10-29 05:24:18,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:24:18,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-29 05:24:18,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:18,140 INFO L225 Difference]: With dead ends: 972 [2021-10-29 05:24:18,140 INFO L226 Difference]: Without dead ends: 791 [2021-10-29 05:24:18,145 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:24:18,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2021-10-29 05:24:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 349. [2021-10-29 05:24:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3908045977011494) internal successors, (484), 348 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 484 transitions. [2021-10-29 05:24:18,215 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 484 transitions. Word has length 32 [2021-10-29 05:24:18,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:18,215 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 484 transitions. [2021-10-29 05:24:18,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 484 transitions. [2021-10-29 05:24:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 05:24:18,226 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:18,226 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] [2021-10-29 05:24:18,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:18,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:18,440 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:18,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:18,440 INFO L85 PathProgramCache]: Analyzing trace with hash 480943923, now seen corresponding path program 1 times [2021-10-29 05:24:18,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:18,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172284665] [2021-10-29 05:24:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:18,442 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:18,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:18,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:18,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:24:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:18,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:24:18,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:18,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:19,023 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:19,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172284665] [2021-10-29 05:24:19,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [172284665] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:19,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:19,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:24:19,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114519077] [2021-10-29 05:24:19,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:24:19,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:19,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:24:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:24:19,026 INFO L87 Difference]: Start difference. First operand 349 states and 484 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:19,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:19,292 INFO L93 Difference]: Finished difference Result 1346 states and 1861 transitions. [2021-10-29 05:24:19,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:24:19,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-29 05:24:19,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:19,303 INFO L225 Difference]: With dead ends: 1346 [2021-10-29 05:24:19,303 INFO L226 Difference]: Without dead ends: 1004 [2021-10-29 05:24:19,305 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:24:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-10-29 05:24:19,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 346. [2021-10-29 05:24:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 345 states have (on average 1.3768115942028984) internal successors, (475), 345 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 475 transitions. [2021-10-29 05:24:19,359 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 475 transitions. Word has length 33 [2021-10-29 05:24:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:19,360 INFO L470 AbstractCegarLoop]: Abstraction has 346 states and 475 transitions. [2021-10-29 05:24:19,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2021-10-29 05:24:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:24:19,363 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:19,364 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, 1] [2021-10-29 05:24:19,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:19,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:19,583 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:19,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:19,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1552355764, now seen corresponding path program 1 times [2021-10-29 05:24:19,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:19,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279148183] [2021-10-29 05:24:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:19,585 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:19,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:19,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:19,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:24:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:19,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:24:19,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:19,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:20,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:20,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279148183] [2021-10-29 05:24:20,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279148183] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:20,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:20,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:24:20,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984186488] [2021-10-29 05:24:20,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:24:20,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:20,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:24:20,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:24:20,117 INFO L87 Difference]: Start difference. First operand 346 states and 475 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:20,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:20,251 INFO L93 Difference]: Finished difference Result 933 states and 1265 transitions. [2021-10-29 05:24:20,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:24:20,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:24:20,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:20,257 INFO L225 Difference]: With dead ends: 933 [2021-10-29 05:24:20,257 INFO L226 Difference]: Without dead ends: 594 [2021-10-29 05:24:20,260 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:24:20,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-29 05:24:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 376. [2021-10-29 05:24:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.3466666666666667) internal successors, (505), 375 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:20,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2021-10-29 05:24:20,325 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 36 [2021-10-29 05:24:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:20,326 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2021-10-29 05:24:20,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2021-10-29 05:24:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 05:24:20,328 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:20,328 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, 1] [2021-10-29 05:24:20,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:20,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:20,557 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:20,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1731494282, now seen corresponding path program 1 times [2021-10-29 05:24:20,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:20,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106337227] [2021-10-29 05:24:20,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:20,559 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:20,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:20,560 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:20,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:24:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:20,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:24:20,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:20,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:21,104 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:21,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106337227] [2021-10-29 05:24:21,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106337227] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:21,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:21,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:24:21,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929890748] [2021-10-29 05:24:21,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:24:21,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:21,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:24:21,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:24:21,107 INFO L87 Difference]: Start difference. First operand 376 states and 505 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:21,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:21,222 INFO L93 Difference]: Finished difference Result 793 states and 1060 transitions. [2021-10-29 05:24:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:24:21,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-29 05:24:21,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:21,227 INFO L225 Difference]: With dead ends: 793 [2021-10-29 05:24:21,227 INFO L226 Difference]: Without dead ends: 424 [2021-10-29 05:24:21,228 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:24:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-10-29 05:24:21,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 259. [2021-10-29 05:24:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.3410852713178294) internal successors, (346), 258 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 346 transitions. [2021-10-29 05:24:21,259 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 346 transitions. Word has length 36 [2021-10-29 05:24:21,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:21,259 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 346 transitions. [2021-10-29 05:24:21,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 346 transitions. [2021-10-29 05:24:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 05:24:21,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:21,261 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, 1, 1] [2021-10-29 05:24:21,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:21,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:21,476 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:21,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash -764052856, now seen corresponding path program 1 times [2021-10-29 05:24:21,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:21,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191530089] [2021-10-29 05:24:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:21,478 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:21,479 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:21,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:24:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:21,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:24:21,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:21,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:22,148 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:22,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191530089] [2021-10-29 05:24:22,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191530089] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:22,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:22,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:24:22,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643185681] [2021-10-29 05:24:22,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:24:22,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:22,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:24:22,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:24:22,151 INFO L87 Difference]: Start difference. First operand 259 states and 346 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:24,312 INFO L93 Difference]: Finished difference Result 995 states and 1305 transitions. [2021-10-29 05:24:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-29 05:24:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 05:24:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:24,319 INFO L225 Difference]: With dead ends: 995 [2021-10-29 05:24:24,319 INFO L226 Difference]: Without dead ends: 743 [2021-10-29 05:24:24,321 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-10-29 05:24:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2021-10-29 05:24:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 259. [2021-10-29 05:24:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 258 states have (on average 1.317829457364341) internal successors, (340), 258 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 340 transitions. [2021-10-29 05:24:24,375 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 340 transitions. Word has length 37 [2021-10-29 05:24:24,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:24,376 INFO L470 AbstractCegarLoop]: Abstraction has 259 states and 340 transitions. [2021-10-29 05:24:24,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 340 transitions. [2021-10-29 05:24:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:24:24,378 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:24,378 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:24,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:24,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:24,594 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:24,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1177012586, now seen corresponding path program 1 times [2021-10-29 05:24:24,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:24,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297056401] [2021-10-29 05:24:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:24,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:24,596 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:24,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:24:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:24,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:24:24,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:24:25,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:24:25,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:25,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297056401] [2021-10-29 05:24:25,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297056401] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:25,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:24:25,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:24:25,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049578943] [2021-10-29 05:24:25,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:24:25,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:25,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:24:25,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:24:25,342 INFO L87 Difference]: Start difference. First operand 259 states and 340 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:25,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:25,507 INFO L93 Difference]: Finished difference Result 800 states and 1048 transitions. [2021-10-29 05:24:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:24:25,508 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:24:25,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:25,513 INFO L225 Difference]: With dead ends: 800 [2021-10-29 05:24:25,513 INFO L226 Difference]: Without dead ends: 548 [2021-10-29 05:24:25,514 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:24:25,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2021-10-29 05:24:25,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 271. [2021-10-29 05:24:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 1.3037037037037038) internal successors, (352), 270 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 352 transitions. [2021-10-29 05:24:25,560 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 352 transitions. Word has length 58 [2021-10-29 05:24:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:25,560 INFO L470 AbstractCegarLoop]: Abstraction has 271 states and 352 transitions. [2021-10-29 05:24:25,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 352 transitions. [2021-10-29 05:24:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 05:24:25,562 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:25,563 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:25,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:25,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:25,786 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:25,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:25,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1435178024, now seen corresponding path program 1 times [2021-10-29 05:24:25,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:25,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624497456] [2021-10-29 05:24:25,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:25,788 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:25,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:25,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:25,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-29 05:24:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:26,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:24:26,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:24:26,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:24:26,802 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:26,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624497456] [2021-10-29 05:24:26,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624497456] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:24:26,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1858178565] [2021-10-29 05:24:26,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:26,803 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:26,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:24:26,809 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:24:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-29 05:24:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:27,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:27,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:27,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:24:27,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1858178565] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:27,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:24:27,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-10-29 05:24:27,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563724141] [2021-10-29 05:24:27,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:24:27,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:27,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:24:27,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:24:27,714 INFO L87 Difference]: Start difference. First operand 271 states and 352 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:27,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:27,832 INFO L93 Difference]: Finished difference Result 471 states and 610 transitions. [2021-10-29 05:24:27,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:24:27,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-29 05:24:27,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:27,838 INFO L225 Difference]: With dead ends: 471 [2021-10-29 05:24:27,839 INFO L226 Difference]: Without dead ends: 469 [2021-10-29 05:24:27,839 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:24:27,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-29 05:24:27,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 323. [2021-10-29 05:24:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 322 states have (on average 1.3322981366459627) internal successors, (429), 322 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 429 transitions. [2021-10-29 05:24:27,898 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 429 transitions. Word has length 58 [2021-10-29 05:24:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:27,899 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 429 transitions. [2021-10-29 05:24:27,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 429 transitions. [2021-10-29 05:24:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 05:24:27,901 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:27,902 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:27,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-10-29 05:24:28,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:28,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:24:28,305 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:28,306 INFO L85 PathProgramCache]: Analyzing trace with hash 200937625, now seen corresponding path program 1 times [2021-10-29 05:24:28,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:28,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202366034] [2021-10-29 05:24:28,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:28,307 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:28,307 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:24:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:28,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:24:28,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:24:29,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:24:29,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:29,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202366034] [2021-10-29 05:24:29,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202366034] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:24:29,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [173236481] [2021-10-29 05:24:29,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:29,423 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:29,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:24:29,427 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:24:29,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-10-29 05:24:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:30,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:24:30,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:24:30,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:24:30,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [173236481] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:24:30,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419080805] [2021-10-29 05:24:30,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:30,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:24:30,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:24:30,846 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:24:30,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-29 05:24:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:31,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:24:31,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:24:31,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:24:32,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419080805] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-29 05:24:32,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-29 05:24:32,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 5, 5, 8] total 14 [2021-10-29 05:24:32,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951709431] [2021-10-29 05:24:32,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:24:32,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:32,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:24:32,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-10-29 05:24:32,078 INFO L87 Difference]: Start difference. First operand 323 states and 429 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:35,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:35,766 INFO L93 Difference]: Finished difference Result 1801 states and 2342 transitions. [2021-10-29 05:24:35,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-29 05:24:35,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-29 05:24:35,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:35,778 INFO L225 Difference]: With dead ends: 1801 [2021-10-29 05:24:35,778 INFO L226 Difference]: Without dead ends: 1485 [2021-10-29 05:24:35,780 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2021-10-29 05:24:35,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2021-10-29 05:24:35,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 386. [2021-10-29 05:24:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3584415584415583) internal successors, (523), 385 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:35,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2021-10-29 05:24:35,848 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 82 [2021-10-29 05:24:35,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:35,849 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2021-10-29 05:24:35,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2021-10-29 05:24:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 05:24:35,851 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:24:35,852 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:24:35,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:36,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:36,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:36,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:36,468 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:24:36,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:24:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash 252580901, now seen corresponding path program 1 times [2021-10-29 05:24:36,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:24:36,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720067095] [2021-10-29 05:24:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:36,469 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:24:36,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:24:36,470 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:24:36,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-29 05:24:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:37,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 05:24:37,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 05:24:37,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 05:24:37,614 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:24:37,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720067095] [2021-10-29 05:24:37,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720067095] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:24:37,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1205444905] [2021-10-29 05:24:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:24:37,615 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:24:37,619 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:24:37,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-10-29 05:24:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:24:38,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:24:38,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:24:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 05:24:38,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:24:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 05:24:38,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1205444905] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:24:38,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:24:38,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 6 [2021-10-29 05:24:38,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146229506] [2021-10-29 05:24:38,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:24:38,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:24:38,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:24:38,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:24:38,843 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:40,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:24:40,466 INFO L93 Difference]: Finished difference Result 573 states and 763 transitions. [2021-10-29 05:24:40,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:24:40,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-10-29 05:24:40,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:24:40,468 INFO L225 Difference]: With dead ends: 573 [2021-10-29 05:24:40,468 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:24:40,469 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:24:40,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:24:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:24:40,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:40,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:24:40,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-29 05:24:40,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:24:40,471 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:24:40,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:24:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:24:40,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:24:40,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:24:40,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:24:40,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:24:40,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:40,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-10-29 05:24:40,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:24:40,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:24:40,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:41,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:42,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:44,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:45,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:45,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:45,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:45,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:46,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:46,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:46,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:46,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:46,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:47,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:47,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:24:47,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:25:04,597 INFO L857 garLoopResultBuilder]: For program point L993(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,598 INFO L857 garLoopResultBuilder]: For program point L993-1(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,598 INFO L857 garLoopResultBuilder]: For program point L993-2(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,598 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,598 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:25:04,599 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:25:04,599 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-29 05:25:04,599 INFO L857 garLoopResultBuilder]: For program point L598(lines 598 609) no Hoare annotation was computed. [2021-10-29 05:25:04,599 INFO L853 garLoopResultBuilder]: At program point L534(lines 519 537) the Hoare annotation is: false [2021-10-29 05:25:04,600 INFO L853 garLoopResultBuilder]: At program point L534-1(lines 519 537) the Hoare annotation is: (let ((.cse8 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse9 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv1 32))) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse7) (and .cse0 .cse8 .cse3 .cse6 .cse7) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse7))) [2021-10-29 05:25:04,600 INFO L853 garLoopResultBuilder]: At program point L534-2(lines 519 537) the Hoare annotation is: false [2021-10-29 05:25:04,600 INFO L853 garLoopResultBuilder]: At program point L534-3(lines 519 537) the Hoare annotation is: false [2021-10-29 05:25:04,600 INFO L853 garLoopResultBuilder]: At program point L534-4(lines 519 537) the Hoare annotation is: false [2021-10-29 05:25:04,601 INFO L853 garLoopResultBuilder]: At program point L534-5(lines 519 537) the Hoare annotation is: false [2021-10-29 05:25:04,601 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,601 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-10-29 05:25:04,601 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4))) [2021-10-29 05:25:04,602 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,602 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,602 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,602 INFO L853 garLoopResultBuilder]: At program point L139-6(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,603 INFO L853 garLoopResultBuilder]: At program point L139-7(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,603 INFO L853 garLoopResultBuilder]: At program point L139-8(lines 134 142) the Hoare annotation is: false [2021-10-29 05:25:04,603 INFO L857 garLoopResultBuilder]: For program point L569(lines 568 613) no Hoare annotation was computed. [2021-10-29 05:25:04,603 INFO L853 garLoopResultBuilder]: At program point L470(lines 463 473) the Hoare annotation is: false [2021-10-29 05:25:04,604 INFO L853 garLoopResultBuilder]: At program point L470-1(lines 463 473) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-10-29 05:25:04,604 INFO L853 garLoopResultBuilder]: At program point L470-2(lines 463 473) the Hoare annotation is: false [2021-10-29 05:25:04,604 INFO L853 garLoopResultBuilder]: At program point L470-3(lines 463 473) the Hoare annotation is: false [2021-10-29 05:25:04,604 INFO L853 garLoopResultBuilder]: At program point L470-4(lines 463 473) the Hoare annotation is: false [2021-10-29 05:25:04,604 INFO L853 garLoopResultBuilder]: At program point L470-5(lines 463 473) the Hoare annotation is: false [2021-10-29 05:25:04,605 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-10-29 05:25:04,605 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 996) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:25:04,605 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 608) no Hoare annotation was computed. [2021-10-29 05:25:04,605 INFO L857 garLoopResultBuilder]: For program point L604-2(lines 350 356) no Hoare annotation was computed. [2021-10-29 05:25:04,606 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,606 INFO L853 garLoopResultBuilder]: At program point L308(lines 303 310) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:25:04,606 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 425) no Hoare annotation was computed. [2021-10-29 05:25:04,606 INFO L857 garLoopResultBuilder]: For program point L408-1(lines 408 425) no Hoare annotation was computed. [2021-10-29 05:25:04,606 INFO L857 garLoopResultBuilder]: For program point L408-2(lines 408 425) no Hoare annotation was computed. [2021-10-29 05:25:04,607 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 225) the Hoare annotation is: false [2021-10-29 05:25:04,607 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-29 05:25:04,607 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,607 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,607 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,608 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,608 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,608 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-29 05:25:04,608 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-29 05:25:04,608 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,609 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 420) no Hoare annotation was computed. [2021-10-29 05:25:04,609 INFO L857 garLoopResultBuilder]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,609 INFO L857 garLoopResultBuilder]: For program point L412-1(lines 412 420) no Hoare annotation was computed. [2021-10-29 05:25:04,609 INFO L857 garLoopResultBuilder]: For program point L412-2(lines 412 420) no Hoare annotation was computed. [2021-10-29 05:25:04,609 INFO L857 garLoopResultBuilder]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,610 INFO L857 garLoopResultBuilder]: For program point L445-6(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,610 INFO L857 garLoopResultBuilder]: For program point L445-8(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,610 INFO L857 garLoopResultBuilder]: For program point L445-10(lines 445 451) no Hoare annotation was computed. [2021-10-29 05:25:04,610 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 584) no Hoare annotation was computed. [2021-10-29 05:25:04,611 INFO L853 garLoopResultBuilder]: At program point L578-1(lines 578 584) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse1 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:25:04,611 INFO L853 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:25:04,611 INFO L853 garLoopResultBuilder]: At program point L479-1(lines 474 482) the Hoare annotation is: false [2021-10-29 05:25:04,611 INFO L853 garLoopResultBuilder]: At program point L479-2(lines 474 482) the Hoare annotation is: false [2021-10-29 05:25:04,612 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-10-29 05:25:04,612 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 350 356) no Hoare annotation was computed. [2021-10-29 05:25:04,612 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:25:04,612 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,612 INFO L857 garLoopResultBuilder]: For program point L547-2(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,613 INFO L857 garLoopResultBuilder]: For program point L547-3(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,613 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,613 INFO L857 garLoopResultBuilder]: For program point L547-5(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,613 INFO L857 garLoopResultBuilder]: For program point L382-1(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,613 INFO L857 garLoopResultBuilder]: For program point L547-6(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,614 INFO L857 garLoopResultBuilder]: For program point L382-2(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,614 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,614 INFO L857 garLoopResultBuilder]: For program point L547-8(lines 547 551) no Hoare annotation was computed. [2021-10-29 05:25:04,614 INFO L857 garLoopResultBuilder]: For program point L382-4(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,614 INFO L857 garLoopResultBuilder]: For program point L382-5(lines 382 399) no Hoare annotation was computed. [2021-10-29 05:25:04,615 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: false [2021-10-29 05:25:04,615 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-10-29 05:25:04,615 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-29 05:25:04,615 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: false [2021-10-29 05:25:04,615 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-29 05:25:04,616 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-29 05:25:04,616 INFO L853 garLoopResultBuilder]: At program point L614(lines 567 615) the Hoare annotation is: false [2021-10-29 05:25:04,616 INFO L853 garLoopResultBuilder]: At program point L350(lines 349 368) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse5) (and .cse0 .cse2 .cse5 .cse4))) [2021-10-29 05:25:04,616 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:25:04,617 INFO L857 garLoopResultBuilder]: For program point L350-1(lines 350 356) no Hoare annotation was computed. [2021-10-29 05:25:04,617 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 349 368) the Hoare annotation is: false [2021-10-29 05:25:04,617 INFO L853 garLoopResultBuilder]: At program point L350-3(lines 349 368) the Hoare annotation is: false [2021-10-29 05:25:04,617 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 336) no Hoare annotation was computed. [2021-10-29 05:25:04,617 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 293) no Hoare annotation was computed. [2021-10-29 05:25:04,618 INFO L853 garLoopResultBuilder]: At program point L319-1(lines 1 996) the Hoare annotation is: (let ((.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse0 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse4))) (and .cse1 .cse0 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse4) (and .cse1 .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse2 .cse5 .cse6 .cse3))) [2021-10-29 05:25:04,618 INFO L857 garLoopResultBuilder]: For program point L319-2(lines 319 336) no Hoare annotation was computed. [2021-10-29 05:25:04,618 INFO L860 garLoopResultBuilder]: At program point L286-1(lines 286 293) the Hoare annotation is: true [2021-10-29 05:25:04,618 INFO L853 garLoopResultBuilder]: At program point L319-3(lines 1 996) the Hoare annotation is: false [2021-10-29 05:25:04,619 INFO L857 garLoopResultBuilder]: For program point L319-4(lines 319 336) no Hoare annotation was computed. [2021-10-29 05:25:04,619 INFO L853 garLoopResultBuilder]: At program point L319-5(lines 1 996) the Hoare annotation is: false [2021-10-29 05:25:04,619 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,619 INFO L857 garLoopResultBuilder]: For program point L386-1(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,619 INFO L857 garLoopResultBuilder]: For program point L386-2(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,620 INFO L857 garLoopResultBuilder]: For program point L386-3(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,620 INFO L857 garLoopResultBuilder]: For program point L386-4(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,620 INFO L857 garLoopResultBuilder]: For program point L386-5(lines 386 394) no Hoare annotation was computed. [2021-10-29 05:25:04,620 INFO L853 garLoopResultBuilder]: At program point L553(lines 538 556) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse4 (or (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (not (= ~waterLevel~0 (_ bv1 32))))) (.cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse5) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-29 05:25:04,620 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 538 556) the Hoare annotation is: false [2021-10-29 05:25:04,621 INFO L853 garLoopResultBuilder]: At program point L553-2(lines 538 556) the Hoare annotation is: false [2021-10-29 05:25:04,621 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:25:04,621 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 333) no Hoare annotation was computed. [2021-10-29 05:25:04,621 INFO L857 garLoopResultBuilder]: For program point L323-2(lines 323 333) no Hoare annotation was computed. [2021-10-29 05:25:04,621 INFO L857 garLoopResultBuilder]: For program point L323-4(lines 323 333) no Hoare annotation was computed. [2021-10-29 05:25:04,622 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 594) no Hoare annotation was computed. [2021-10-29 05:25:04,622 INFO L853 garLoopResultBuilder]: At program point L588-1(lines 588 594) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (bvslt ~waterLevel~0 (_ bv2 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 .cse2 .cse5))) [2021-10-29 05:25:04,622 INFO L853 garLoopResultBuilder]: At program point L357(lines 357 363) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 (not (bvslt ~waterLevel~0 (_ bv2 32))) .cse1 .cse2))) [2021-10-29 05:25:04,623 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-29 05:25:04,623 INFO L853 garLoopResultBuilder]: At program point L357-1(lines 357 363) the Hoare annotation is: false [2021-10-29 05:25:04,623 INFO L853 garLoopResultBuilder]: At program point L357-2(lines 357 363) the Hoare annotation is: false [2021-10-29 05:25:04,623 INFO L857 garLoopResultBuilder]: For program point L324-2(lines 324 330) no Hoare annotation was computed. [2021-10-29 05:25:04,623 INFO L857 garLoopResultBuilder]: For program point L324-4(lines 324 330) no Hoare annotation was computed. [2021-10-29 05:25:04,624 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-29 05:25:04,624 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:25:04,624 INFO L853 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:25:04,624 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32))))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:25:04,624 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-29 05:25:04,625 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-29 05:25:04,625 INFO L860 garLoopResultBuilder]: At program point L295(lines 276 298) the Hoare annotation is: true [2021-10-29 05:25:04,625 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:25:04,625 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528-3(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528-5(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528-6(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,626 INFO L857 garLoopResultBuilder]: For program point L528-8(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,627 INFO L857 garLoopResultBuilder]: For program point L528-9(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,627 INFO L857 garLoopResultBuilder]: For program point L528-11(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,627 INFO L857 garLoopResultBuilder]: For program point L528-12(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,627 INFO L857 garLoopResultBuilder]: For program point L528-14(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,627 INFO L857 garLoopResultBuilder]: For program point L528-15(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,628 INFO L857 garLoopResultBuilder]: For program point L528-17(lines 528 532) no Hoare annotation was computed. [2021-10-29 05:25:04,631 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:25:04,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:25:04,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:25:04 BoogieIcfgContainer [2021-10-29 05:25:04,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:25:04,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:25:04,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:25:04,670 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:25:04,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:24:13" (3/4) ... [2021-10-29 05:25:04,674 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:25:04,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:25:04,702 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:25:04,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:25:04,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:25:04,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:25:04,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:25:04,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:25:04,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methAndRunningLastTime == 0bv32 && (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning))) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:25:04,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:25:04,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:25:04,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) [2021-10-29 05:25:04,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:25:04,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:25:04,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) [2021-10-29 05:25:04,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) [2021-10-29 05:25:04,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:25:04,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:25:04,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:25:04,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:25:04,822 INFO L168 Benchmark]: Toolchain (without parser) took 55909.71 ms. Allocated memory was 58.7 MB in the beginning and 335.5 MB in the end (delta: 276.8 MB). Free memory was 35.8 MB in the beginning and 147.9 MB in the end (delta: -112.1 MB). Peak memory consumption was 165.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,822 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 40.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:25:04,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.77 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.7 MB in the beginning and 47.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.97 ms. Allocated memory is still 79.7 MB. Free memory was 46.7 MB in the beginning and 42.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,824 INFO L168 Benchmark]: Boogie Preprocessor took 107.80 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 59.2 MB in the end (delta: -16.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,824 INFO L168 Benchmark]: RCFGBuilder took 2977.04 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 48.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,825 INFO L168 Benchmark]: TraceAbstraction took 51617.13 ms. Allocated memory was 79.7 MB in the beginning and 335.5 MB in the end (delta: 255.9 MB). Free memory was 48.1 MB in the beginning and 159.5 MB in the end (delta: -111.4 MB). Peak memory consumption was 209.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,825 INFO L168 Benchmark]: Witness Printer took 150.23 ms. Allocated memory is still 335.5 MB. Free memory was 159.5 MB in the beginning and 147.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:25:04,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 40.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 929.77 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 35.7 MB in the beginning and 47.0 MB in the end (delta: -11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.97 ms. Allocated memory is still 79.7 MB. Free memory was 46.7 MB in the beginning and 42.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.80 ms. Allocated memory is still 79.7 MB. Free memory was 42.9 MB in the beginning and 59.2 MB in the end (delta: -16.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2977.04 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 48.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51617.13 ms. Allocated memory was 79.7 MB in the beginning and 335.5 MB in the end (delta: 255.9 MB). Free memory was 48.1 MB in the beginning and 159.5 MB in the end (delta: -111.4 MB). Peak memory consumption was 209.8 MB. Max. memory is 16.1 GB. * Witness Printer took 150.23 ms. Allocated memory is still 335.5 MB. Free memory was 159.5 MB in the beginning and 147.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 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: 993]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 993]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 993]: 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, 139 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 51.5s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1621 SDtfs, 2563 SDslu, 3922 SDs, 0 SdLazy, 451 SolverSat, 97 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1685 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=13, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3497 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 122 NumberOfFragments, 797 HoareAnnotationTreeSize, 55 FomulaSimplifications, 14334607 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 55 FomulaSimplificationsInter, 3787386 FormulaSimplificationTreeSizeReductionInter, 17.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 3422 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4249 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 36 InterpolantComputations, 27 PerfectInterpolantSequences, 560/608 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: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && tmp == 1bv32) && \result == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && tmp == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && methaneLevelCritical == 1bv32) && tmp___0 == 1bv32) || ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && (\result == 0bv32 || !(waterLevel == 1bv32))) && tmp___0 == 1bv32) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && !(waterLevel == 0bv32)) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methAndRunningLastTime == 0bv32 && (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning))) || (((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && 0bv32 == tmp) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && !~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-29 05:25:04,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3614c7df-d566-41d2-b455-8a032b42e720/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...