./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/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_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/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_02d5b82c-289c-495e-8dd4-c201a1f30c34/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de ............................................................................................................................................ 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/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_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/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_02d5b82c-289c-495e-8dd4-c201a1f30c34/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 05:50:05,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:50:05,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:50:05,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:50:05,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:50:05,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:50:05,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:50:05,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:50:05,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:50:05,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:50:05,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:50:05,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:50:05,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:50:05,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:50:05,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:50:05,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:50:05,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:50:05,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:50:05,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:50:05,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:50:05,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:50:05,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:50:05,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:50:05,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:50:05,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:50:05,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:50:05,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:50:05,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:50:05,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:50:05,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:50:05,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:50:05,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:50:05,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:50:05,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:50:05,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:50:05,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:50:05,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:50:05,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:50:05,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:50:05,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:50:05,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:50:05,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:50:05,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:50:05,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:50:05,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:50:05,359 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:50:05,359 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:50:05,359 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:50:05,359 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:50:05,360 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:50:05,360 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:50:05,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:50:05,367 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:50:05,367 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:50:05,367 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:50:05,368 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:50:05,368 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:50:05,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:50:05,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:50:05,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:50:05,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:50:05,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:50:05,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:50:05,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:50:05,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:50:05,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:50:05,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:50:05,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:05,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:50:05,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:50:05,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:50:05,375 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-10-29 05:50:05,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:50:05,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:50:05,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:50:05,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:50:05,717 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:50:05,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-29 05:50:05,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/4e2dfdc11/d4e90daad9834dd999fb1523cf976e9d/FLAG0b5309377 [2021-10-29 05:50:06,393 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:50:06,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-29 05:50:06,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/4e2dfdc11/d4e90daad9834dd999fb1523cf976e9d/FLAG0b5309377 [2021-10-29 05:50:06,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/4e2dfdc11/d4e90daad9834dd999fb1523cf976e9d [2021-10-29 05:50:06,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:50:06,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:50:06,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:06,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:50:06,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:50:06,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:06" (1/1) ... [2021-10-29 05:50:06,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9179b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:06, skipping insertion in model container [2021-10-29 05:50:06,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:06" (1/1) ... [2021-10-29 05:50:06,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:50:06,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:07,002 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-10-29 05:50:07,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:07,072 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 05:50:07,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20a0ae86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:07, skipping insertion in model container [2021-10-29 05:50:07,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:07,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:50:07,075 INFO L168 Benchmark]: Toolchain (without parser) took 380.92 ms. Allocated memory is still 102.8 MB. Free memory was 61.3 MB in the beginning and 72.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:07,076 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 78.3 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:07,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.37 ms. Allocated memory is still 102.8 MB. Free memory was 61.1 MB in the beginning and 72.1 MB in the end (delta: -11.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:07,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 78.3 MB in the end (delta: 51.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.37 ms. Allocated memory is still 102.8 MB. Free memory was 61.1 MB in the beginning and 72.1 MB in the end (delta: -11.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 626]: 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 05:50:09,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:50:09,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:50:09,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:50:09,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:50:09,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:50:09,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:50:09,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:50:09,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:50:09,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:50:09,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:50:09,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:50:09,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:50:09,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:50:09,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:50:09,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:50:09,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:50:09,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:50:09,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:50:09,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:50:09,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:50:09,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:50:09,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:50:09,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:50:09,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:50:09,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:50:09,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:50:09,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:50:09,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:50:09,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:50:09,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:50:09,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:50:09,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:50:09,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:50:09,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:50:09,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:50:09,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:50:09,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:50:09,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:50:09,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:50:09,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:50:09,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:50:09,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:50:09,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:50:09,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:50:09,442 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:50:09,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:50:09,443 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:50:09,443 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:50:09,443 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:50:09,443 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:50:09,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:50:09,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:50:09,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:50:09,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:50:09,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:50:09,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:50:09,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:50:09,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:50:09,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:50:09,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:50:09,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:50:09,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:50:09,449 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:50:09,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:50:09,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:50:09,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:50:09,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:50:09,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:09,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:50:09,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:50:09,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:50:09,451 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:50:09,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:50:09,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:50:09,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:50:09,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:50:09,452 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de [2021-10-29 05:50:09,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:50:09,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:50:09,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:50:09,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:50:09,821 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:50:09,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-29 05:50:09,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/566513806/78bbba607f594aad8e3e6391c4a0dae0/FLAGa247de3e8 [2021-10-29 05:50:10,445 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:50:10,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2021-10-29 05:50:10,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/566513806/78bbba607f594aad8e3e6391c4a0dae0/FLAGa247de3e8 [2021-10-29 05:50:10,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/data/566513806/78bbba607f594aad8e3e6391c4a0dae0 [2021-10-29 05:50:10,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:50:10,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:50:10,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:10,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:50:10,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:50:10,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:10" (1/1) ... [2021-10-29 05:50:10,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d375cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:10, skipping insertion in model container [2021-10-29 05:50:10,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:10" (1/1) ... [2021-10-29 05:50:10,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:50:10,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:11,109 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-10-29 05:50:11,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:11,248 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:50:11,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:50:11,312 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-10-29 05:50:11,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:11,387 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:50:11,413 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_02d5b82c-289c-495e-8dd4-c201a1f30c34/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c[7019,7032] [2021-10-29 05:50:11,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:50:11,488 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:50:11,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11 WrapperNode [2021-10-29 05:50:11,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:50:11,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:11,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:50:11,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:50:11,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:50:11,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:50:11,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:50:11,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:50:11,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:50:11,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:50:11,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:50:11,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:50:11,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (1/1) ... [2021-10-29 05:50:11,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:50:11,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:50:11,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:50:11,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:50:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:50:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:50:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:50:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:50:14,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:50:14,054 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2021-10-29 05:50:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:14 BoogieIcfgContainer [2021-10-29 05:50:14,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:50:14,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:50:14,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:50:14,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:50:14,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:50:10" (1/3) ... [2021-10-29 05:50:14,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe18586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:14, skipping insertion in model container [2021-10-29 05:50:14,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:11" (2/3) ... [2021-10-29 05:50:14,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe18586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:50:14, skipping insertion in model container [2021-10-29 05:50:14,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:14" (3/3) ... [2021-10-29 05:50:14,065 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2021-10-29 05:50:14,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:50:14,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:50:14,117 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:50:14,124 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 05:50:14,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:50:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 125 states have (on average 1.536) internal successors, (192), 128 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:50:14,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:14,148 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:14,149 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 05:50:14,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:14,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2021-10-29 05:50:14,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:14,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949454048] [2021-10-29 05:50:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:14,174 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:14,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:14,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:50:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:14,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:50:14,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:14,577 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 05:50:14,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:14,644 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 05:50:14,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:14,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949454048] [2021-10-29 05:50:14,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949454048] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:14,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:14,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:50:14,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859133459] [2021-10-29 05:50:14,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:50:14,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:14,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:50:14,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:50:14,677 INFO L87 Difference]: Start difference. First operand has 129 states, 125 states have (on average 1.536) internal successors, (192), 128 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:14,734 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2021-10-29 05:50:14,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:50:14,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:50:14,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:14,751 INFO L225 Difference]: With dead ends: 252 [2021-10-29 05:50:14,751 INFO L226 Difference]: Without dead ends: 125 [2021-10-29 05:50:14,755 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 05:50:14,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-10-29 05:50:14,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-10-29 05:50:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.4754098360655739) internal successors, (180), 124 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2021-10-29 05:50:14,819 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2021-10-29 05:50:14,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:14,820 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2021-10-29 05:50:14,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2021-10-29 05:50:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:50:14,824 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:14,824 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:14,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:15,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:15,036 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 05:50:15,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:15,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2021-10-29 05:50:15,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:15,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1859242115] [2021-10-29 05:50:15,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:15,039 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:15,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:15,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:50:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:15,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:15,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:15,303 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 05:50:15,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:15,351 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 05:50:15,352 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:15,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1859242115] [2021-10-29 05:50:15,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1859242115] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:15,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:15,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:50:15,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521472007] [2021-10-29 05:50:15,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:50:15,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:15,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:50:15,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:15,356 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:15,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:15,370 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2021-10-29 05:50:15,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:15,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:50:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:15,372 INFO L225 Difference]: With dead ends: 125 [2021-10-29 05:50:15,372 INFO L226 Difference]: Without dead ends: 51 [2021-10-29 05:50:15,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 05:50:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-29 05:50:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-29 05:50:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-29 05:50:15,378 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2021-10-29 05:50:15,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:15,379 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-29 05:50:15,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-29 05:50:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:50:15,380 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:15,380 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] [2021-10-29 05:50:15,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:15,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:15,593 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 05:50:15,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:15,594 INFO L85 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2021-10-29 05:50:15,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:15,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [338568263] [2021-10-29 05:50:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:15,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:15,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:15,596 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:15,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:50:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:15,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:15,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:15,877 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 05:50:15,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:15,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:15,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [338568263] [2021-10-29 05:50:15,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [338568263] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:15,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:15,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:50:15,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669328992] [2021-10-29 05:50:15,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:50:15,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:50:15,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:15,951 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:15,996 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2021-10-29 05:50:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:16,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-29 05:50:16,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:16,013 INFO L225 Difference]: With dead ends: 96 [2021-10-29 05:50:16,013 INFO L226 Difference]: Without dead ends: 51 [2021-10-29 05:50:16,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 05:50:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-29 05:50:16,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-29 05:50:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 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 05:50:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-29 05:50:16,019 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2021-10-29 05:50:16,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:16,019 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-29 05:50:16,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-29 05:50:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 05:50:16,021 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:16,021 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 05:50:16,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:16,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:16,233 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 05:50:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2021-10-29 05:50:16,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:16,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033376807] [2021-10-29 05:50:16,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:16,234 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:16,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:16,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:16,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:50:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:16,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:16,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:16,503 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 05:50:16,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:16,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:16,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033376807] [2021-10-29 05:50:16,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2033376807] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:16,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:16,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:50:16,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406788924] [2021-10-29 05:50:16,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:50:16,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:16,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:50:16,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:50:16,570 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 05:50:16,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:16,632 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2021-10-29 05:50:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:50:16,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 05:50:16,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:16,638 INFO L225 Difference]: With dead ends: 117 [2021-10-29 05:50:16,638 INFO L226 Difference]: Without dead ends: 72 [2021-10-29 05:50:16,641 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 05:50:16,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-29 05:50:16,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-29 05:50:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 69 states have internal predecessors, (98), 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 05:50:16,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-10-29 05:50:16,665 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2021-10-29 05:50:16,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:16,665 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-10-29 05:50:16,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 05:50:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2021-10-29 05:50:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:50:16,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:16,667 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] [2021-10-29 05:50:16,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:16,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:16,880 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 05:50:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:16,880 INFO L85 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2021-10-29 05:50:16,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:16,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823123853] [2021-10-29 05:50:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:16,882 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:16,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:16,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:50:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:17,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:50:17,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:17,188 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 05:50:17,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:17,302 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 05:50:17,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:17,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823123853] [2021-10-29 05:50:17,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823123853] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:17,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:17,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-29 05:50:17,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659714025] [2021-10-29 05:50:17,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:50:17,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:17,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:50:17,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:50:17,306 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 05:50:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:17,447 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2021-10-29 05:50:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:50:17,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-10-29 05:50:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:17,450 INFO L225 Difference]: With dead ends: 335 [2021-10-29 05:50:17,450 INFO L226 Difference]: Without dead ends: 271 [2021-10-29 05:50:17,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 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 05:50:17,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-29 05:50:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2021-10-29 05:50:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 127 states have internal predecessors, (179), 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 05:50:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2021-10-29 05:50:17,471 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2021-10-29 05:50:17,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:17,472 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2021-10-29 05:50:17,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 05:50:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2021-10-29 05:50:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 05:50:17,474 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:17,474 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] [2021-10-29 05:50:17,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:17,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:17,695 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 05:50:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:17,695 INFO L85 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2021-10-29 05:50:17,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:17,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508739919] [2021-10-29 05:50:17,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:17,697 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:17,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:17,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:17,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:50:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:17,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:50:17,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:18,026 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 05:50:18,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:18,113 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 05:50:18,114 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:18,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508739919] [2021-10-29 05:50:18,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508739919] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:18,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:18,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:50:18,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98267935] [2021-10-29 05:50:18,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:50:18,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:18,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:50:18,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:50:18,119 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 05:50:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:18,277 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2021-10-29 05:50:18,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:50:18,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-10-29 05:50:18,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:18,280 INFO L225 Difference]: With dead ends: 366 [2021-10-29 05:50:18,280 INFO L226 Difference]: Without dead ends: 364 [2021-10-29 05:50:18,281 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 05:50:18,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-29 05:50:18,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-10-29 05:50:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 127 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2021-10-29 05:50:18,311 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2021-10-29 05:50:18,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:18,311 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2021-10-29 05:50:18,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 05:50:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-10-29 05:50:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:50:18,320 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:18,320 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:18,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:18,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:18,534 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 05:50:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:18,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2021-10-29 05:50:18,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:18,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290769956] [2021-10-29 05:50:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:18,536 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:18,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:18,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:18,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:50:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:18,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:50:18,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:18,860 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 05:50:18,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:18,935 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 05:50:18,935 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:18,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290769956] [2021-10-29 05:50:18,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290769956] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:18,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:18,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:50:18,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435022531] [2021-10-29 05:50:18,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:50:18,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:18,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:50:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:50:18,937 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:19,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:19,020 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2021-10-29 05:50:19,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:50:19,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:50:19,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:19,022 INFO L225 Difference]: With dead ends: 336 [2021-10-29 05:50:19,023 INFO L226 Difference]: Without dead ends: 214 [2021-10-29 05:50:19,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:50:19,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-10-29 05:50:19,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2021-10-29 05:50:19,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.3669064748201438) internal successors, (190), 139 states have internal predecessors, (190), 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 05:50:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-10-29 05:50:19,046 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2021-10-29 05:50:19,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:19,047 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-10-29 05:50:19,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-10-29 05:50:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:50:19,052 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:19,052 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:19,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:19,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:19,265 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 05:50:19,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:19,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2021-10-29 05:50:19,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:19,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285745239] [2021-10-29 05:50:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:19,266 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:19,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:19,267 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:19,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:50:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:19,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:50:19,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:50:19,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:19,714 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 05:50:19,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:19,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285745239] [2021-10-29 05:50:19,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285745239] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:19,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:19,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:50:19,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894517302] [2021-10-29 05:50:19,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:50:19,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:19,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:50:19,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:50:19,717 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:19,788 INFO L93 Difference]: Finished difference Result 370 states and 498 transitions. [2021-10-29 05:50:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:50:19,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:50:19,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:19,790 INFO L225 Difference]: With dead ends: 370 [2021-10-29 05:50:19,790 INFO L226 Difference]: Without dead ends: 236 [2021-10-29 05:50:19,791 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:50:19,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-29 05:50:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 148. [2021-10-29 05:50:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.346938775510204) internal successors, (198), 147 states have internal predecessors, (198), 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 05:50:19,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2021-10-29 05:50:19,809 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2021-10-29 05:50:19,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:19,809 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2021-10-29 05:50:19,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:50:19,810 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2021-10-29 05:50:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 05:50:19,810 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:19,811 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:19,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:20,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:20,023 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 05:50:20,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:20,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2021-10-29 05:50:20,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:20,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916288955] [2021-10-29 05:50:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:20,024 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:20,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:20,025 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:20,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:50:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:20,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:50:20,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:20,359 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 05:50:20,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:20,459 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 05:50:20,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:20,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916288955] [2021-10-29 05:50:20,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916288955] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:20,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:20,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:50:20,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505247095] [2021-10-29 05:50:20,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:50:20,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:20,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:50:20,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:20,461 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 05:50:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:20,526 INFO L93 Difference]: Finished difference Result 442 states and 594 transitions. [2021-10-29 05:50:20,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:50:20,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-29 05:50:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:20,529 INFO L225 Difference]: With dead ends: 442 [2021-10-29 05:50:20,529 INFO L226 Difference]: Without dead ends: 300 [2021-10-29 05:50:20,529 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:50:20,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-10-29 05:50:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 248. [2021-10-29 05:50:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3319838056680162) internal successors, (329), 247 states have internal predecessors, (329), 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 05:50:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 329 transitions. [2021-10-29 05:50:20,559 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 329 transitions. Word has length 34 [2021-10-29 05:50:20,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:20,559 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 329 transitions. [2021-10-29 05:50:20,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 05:50:20,560 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 329 transitions. [2021-10-29 05:50:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 05:50:20,560 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:20,561 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:20,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-10-29 05:50:20,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:20,773 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 05:50:20,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:20,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2021-10-29 05:50:20,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:20,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673623201] [2021-10-29 05:50:20,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:20,775 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:20,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:20,776 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:20,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-29 05:50:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:21,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:50:21,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:21,190 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 05:50:21,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:21,317 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 05:50:21,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:21,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673623201] [2021-10-29 05:50:21,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [673623201] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:21,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:21,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:50:21,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128166945] [2021-10-29 05:50:21,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:50:21,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:21,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:50:21,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:50:21,320 INFO L87 Difference]: Start difference. First operand 248 states and 329 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 05:50:22,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:22,939 INFO L93 Difference]: Finished difference Result 1084 states and 1406 transitions. [2021-10-29 05:50:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-29 05:50:22,940 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-29 05:50:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:22,945 INFO L225 Difference]: With dead ends: 1084 [2021-10-29 05:50:22,945 INFO L226 Difference]: Without dead ends: 842 [2021-10-29 05:50:22,946 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-29 05:50:22,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-10-29 05:50:22,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 248. [2021-10-29 05:50:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 247 states have (on average 1.3076923076923077) internal successors, (323), 247 states have internal predecessors, (323), 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 05:50:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2021-10-29 05:50:22,983 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 35 [2021-10-29 05:50:22,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:22,983 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2021-10-29 05:50:22,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 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 05:50:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2021-10-29 05:50:22,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 05:50:22,989 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:50:22,989 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] [2021-10-29 05:50:23,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:23,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:23,202 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 05:50:23,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:50:23,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2021-10-29 05:50:23,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:50:23,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647145906] [2021-10-29 05:50:23,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:50:23,204 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:50:23,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:50:23,205 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:50:23,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:50:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:50:23,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:50:23,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:50:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:50:23,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:50:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 05:50:23,797 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:50:23,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647145906] [2021-10-29 05:50:23,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647145906] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:50:23,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:50:23,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-29 05:50:23,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692183383] [2021-10-29 05:50:23,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-29 05:50:23,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:50:23,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-29 05:50:23,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:50:23,800 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 05:50:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:50:25,315 INFO L93 Difference]: Finished difference Result 760 states and 979 transitions. [2021-10-29 05:50:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:50:25,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 54 [2021-10-29 05:50:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:50:25,316 INFO L225 Difference]: With dead ends: 760 [2021-10-29 05:50:25,316 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:50:25,317 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:50:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:50:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:50:25,318 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 05:50:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:50:25,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-29 05:50:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:50:25,318 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:50:25,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 05:50:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:50:25,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:50:25,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:50:25,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:50:25,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:50:25,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-29 05:50:25,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:50:25,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:50:25,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:25,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:26,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:27,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:50:33,002 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,002 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-29 05:50:33,003 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 138 144) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:50:33,003 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,003 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L170-3(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L170-4(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L170-5(lines 170 187) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L534(lines 534 538) no Hoare annotation was computed. [2021-10-29 05:50:33,004 INFO L853 garLoopResultBuilder]: At program point L138(lines 137 156) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:50:33,004 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 137 156) the Hoare annotation is: false [2021-10-29 05:50:33,005 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 137 156) the Hoare annotation is: false [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) 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)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174-4(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,005 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 182) no Hoare annotation was computed. [2021-10-29 05:50:33,006 INFO L857 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,006 INFO L857 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,006 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,006 INFO L857 garLoopResultBuilder]: For program point L472-2(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,006 INFO L853 garLoopResultBuilder]: At program point L145(lines 145 151) 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 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:50:33,006 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 145 151) the Hoare annotation is: false [2021-10-29 05:50:33,007 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 145 151) the Hoare annotation is: false [2021-10-29 05:50:33,007 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-29 05:50:33,007 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-10-29 05:50:33,007 INFO L857 garLoopResultBuilder]: For program point L510-3(lines 510 514) no Hoare annotation was computed. [2021-10-29 05:50:33,007 INFO L857 garLoopResultBuilder]: For program point L510-6(lines 510 514) no Hoare annotation was computed. [2021-10-29 05:50:33,007 INFO L853 garLoopResultBuilder]: At program point L345-2(lines 345 359) the Hoare annotation is: false [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L346(line 346) no Hoare annotation was computed. [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L315-3(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L315-5(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,008 INFO L857 garLoopResultBuilder]: For program point L315-6(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-8(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-9(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-11(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-12(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-14(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-15(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,009 INFO L857 garLoopResultBuilder]: For program point L315-17(lines 315 319) no Hoare annotation was computed. [2021-10-29 05:50:33,010 INFO L853 garLoopResultBuilder]: At program point L547(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 05:50:33,010 INFO L853 garLoopResultBuilder]: At program point L547-1(lines 542 550) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,010 INFO L853 garLoopResultBuilder]: At program point L547-2(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:50:33,010 INFO L853 garLoopResultBuilder]: At program point L547-3(lines 542 550) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 05:50:33,010 INFO L853 garLoopResultBuilder]: At program point L547-4(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,011 INFO L853 garLoopResultBuilder]: At program point L547-5(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,011 INFO L853 garLoopResultBuilder]: At program point L547-6(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,011 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-29 05:50:33,011 INFO L853 garLoopResultBuilder]: At program point L547-7(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,011 INFO L857 garLoopResultBuilder]: For program point L349-1(lines 138 144) no Hoare annotation was computed. [2021-10-29 05:50:33,011 INFO L853 garLoopResultBuilder]: At program point L547-8(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,012 INFO L853 garLoopResultBuilder]: At program point L547-9(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,012 INFO L853 garLoopResultBuilder]: At program point L547-10(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,012 INFO L853 garLoopResultBuilder]: At program point L547-11(lines 542 550) the Hoare annotation is: false [2021-10-29 05:50:33,012 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-29 05:50:33,012 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-29 05:50:33,012 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:50:33,013 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 498) no Hoare annotation was computed. [2021-10-29 05:50:33,013 INFO L853 garLoopResultBuilder]: At program point L485-1(lines 1 962) 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)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-29 05:50:33,013 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2021-10-29 05:50:33,013 INFO L857 garLoopResultBuilder]: For program point L485-2(lines 485 498) no Hoare annotation was computed. [2021-10-29 05:50:33,013 INFO L853 garLoopResultBuilder]: At program point L485-3(lines 1 962) the Hoare annotation is: false [2021-10-29 05:50:33,013 INFO L860 garLoopResultBuilder]: At program point L419-1(lines 419 426) the Hoare annotation is: true [2021-10-29 05:50:33,014 INFO L857 garLoopResultBuilder]: For program point L485-4(lines 485 498) no Hoare annotation was computed. [2021-10-29 05:50:33,014 INFO L853 garLoopResultBuilder]: At program point L485-5(lines 1 962) the Hoare annotation is: false [2021-10-29 05:50:33,014 INFO L853 garLoopResultBuilder]: At program point L321(lines 306 324) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,014 INFO L853 garLoopResultBuilder]: At program point L321-1(lines 306 324) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 05:50:33,014 INFO L853 garLoopResultBuilder]: At program point L321-2(lines 306 324) the Hoare annotation is: false [2021-10-29 05:50:33,014 INFO L853 garLoopResultBuilder]: At program point L321-3(lines 306 324) the Hoare annotation is: false [2021-10-29 05:50:33,015 INFO L853 garLoopResultBuilder]: At program point L321-4(lines 306 324) the Hoare annotation is: false [2021-10-29 05:50:33,015 INFO L853 garLoopResultBuilder]: At program point L321-5(lines 306 324) the Hoare annotation is: false [2021-10-29 05:50:33,015 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:50:33,015 INFO L857 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,015 INFO L857 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,015 INFO L857 garLoopResultBuilder]: For program point L587-2(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,016 INFO L857 garLoopResultBuilder]: For program point L587-3(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,016 INFO L853 garLoopResultBuilder]: At program point L455(lines 1 962) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,016 INFO L857 garLoopResultBuilder]: For program point L587-4(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,016 INFO L857 garLoopResultBuilder]: For program point L587-5(lines 587 593) no Hoare annotation was computed. [2021-10-29 05:50:33,016 INFO L853 garLoopResultBuilder]: At program point L257(lines 250 260) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-29 05:50:33,016 INFO L853 garLoopResultBuilder]: At program point L257-1(lines 250 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,017 INFO L853 garLoopResultBuilder]: At program point L257-2(lines 250 260) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-29 05:50:33,017 INFO L853 garLoopResultBuilder]: At program point L257-3(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,017 INFO L853 garLoopResultBuilder]: At program point L257-4(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,017 INFO L853 garLoopResultBuilder]: At program point L257-5(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,017 INFO L853 garLoopResultBuilder]: At program point L257-6(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,018 INFO L853 garLoopResultBuilder]: At program point L257-7(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,018 INFO L853 garLoopResultBuilder]: At program point L257-8(lines 250 260) the Hoare annotation is: false [2021-10-29 05:50:33,018 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2021-10-29 05:50:33,018 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-10-29 05:50:33,018 INFO L857 garLoopResultBuilder]: For program point L489-2(lines 489 495) no Hoare annotation was computed. [2021-10-29 05:50:33,018 INFO L857 garLoopResultBuilder]: For program point L489-4(lines 489 495) no Hoare annotation was computed. [2021-10-29 05:50:33,018 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:50:33,019 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-29 05:50:33,019 INFO L853 garLoopResultBuilder]: At program point L393(lines 389 395) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,019 INFO L853 garLoopResultBuilder]: At program point L592(lines 583 596) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,019 INFO L853 garLoopResultBuilder]: At program point L592-1(lines 583 596) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-29 05:50:33,019 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 583 596) the Hoare annotation is: false [2021-10-29 05:50:33,020 INFO L853 garLoopResultBuilder]: At program point L592-3(lines 583 596) the Hoare annotation is: false [2021-10-29 05:50:33,020 INFO L853 garLoopResultBuilder]: At program point L592-4(lines 583 596) the Hoare annotation is: false [2021-10-29 05:50:33,020 INFO L853 garLoopResultBuilder]: At program point L592-5(lines 583 596) the Hoare annotation is: false [2021-10-29 05:50:33,020 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 213) no Hoare annotation was computed. [2021-10-29 05:50:33,020 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 196 213) no Hoare annotation was computed. [2021-10-29 05:50:33,020 INFO L857 garLoopResultBuilder]: For program point L196-2(lines 196 213) no Hoare annotation was computed. [2021-10-29 05:50:33,021 INFO L860 garLoopResultBuilder]: At program point L428(lines 409 431) the Hoare annotation is: true [2021-10-29 05:50:33,021 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:50:33,021 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-10-29 05:50:33,021 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-29 05:50:33,021 INFO L853 garLoopResultBuilder]: At program point L463(lines 458 466) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:50:33,021 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L232-4(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L232-6(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L232-8(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,022 INFO L857 garLoopResultBuilder]: For program point L232-10(lines 232 238) no Hoare annotation was computed. [2021-10-29 05:50:33,023 INFO L853 garLoopResultBuilder]: At program point L266(lines 261 269) 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 05:50:33,023 INFO L853 garLoopResultBuilder]: At program point L266-1(lines 261 269) the Hoare annotation is: false [2021-10-29 05:50:33,023 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 208) no Hoare annotation was computed. [2021-10-29 05:50:33,023 INFO L853 garLoopResultBuilder]: At program point L266-2(lines 261 269) the Hoare annotation is: false [2021-10-29 05:50:33,023 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 208) no Hoare annotation was computed. [2021-10-29 05:50:33,023 INFO L857 garLoopResultBuilder]: For program point L200-2(lines 200 208) no Hoare annotation was computed. [2021-10-29 05:50:33,027 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:50:33,028 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:50:33,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:50:33 BoogieIcfgContainer [2021-10-29 05:50:33,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:50:33,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:50:33,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:50:33,052 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:50:33,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:50:14" (3/4) ... [2021-10-29 05:50:33,055 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:50:33,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:50:33,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:50:33,080 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:50:33,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:50:33,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:50:33,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:50:33,085 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:50:33,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:50:33,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:50:33,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:50:33,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:50:33,114 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:50:33,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-29 05:50:33,115 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 05:50:33,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:50:33,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:50:33,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:50:33,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:50:33,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:50:33,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:50:33,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:50:33,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:50:33,171 INFO L168 Benchmark]: Toolchain (without parser) took 22422.30 ms. Allocated memory was 52.4 MB in the beginning and 117.4 MB in the end (delta: 65.0 MB). Free memory was 27.6 MB in the beginning and 69.2 MB in the end (delta: -41.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,171 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:50:33,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.46 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.39 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 40.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,172 INFO L168 Benchmark]: Boogie Preprocessor took 66.51 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 37.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,173 INFO L168 Benchmark]: RCFGBuilder took 2383.21 ms. Allocated memory is still 65.0 MB. Free memory was 37.5 MB in the beginning and 34.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,173 INFO L168 Benchmark]: TraceAbstraction took 18992.83 ms. Allocated memory was 65.0 MB in the beginning and 117.4 MB in the end (delta: 52.4 MB). Free memory was 33.5 MB in the beginning and 80.7 MB in the end (delta: -47.2 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,173 INFO L168 Benchmark]: Witness Printer took 117.63 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 69.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:50:33,176 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 38.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.46 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.39 ms. Allocated memory is still 65.0 MB. Free memory was 44.4 MB in the beginning and 40.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.51 ms. Allocated memory is still 65.0 MB. Free memory was 40.5 MB in the beginning and 37.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2383.21 ms. Allocated memory is still 65.0 MB. Free memory was 37.5 MB in the beginning and 34.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18992.83 ms. Allocated memory was 65.0 MB in the beginning and 117.4 MB in the end (delta: 52.4 MB). Free memory was 33.5 MB in the beginning and 80.7 MB in the end (delta: -47.2 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. * Witness Printer took 117.63 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 69.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: 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, 129 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1297 SDtfs, 1922 SDslu, 3243 SDs, 0 SdLazy, 458 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 686 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=9, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 270 NumberOfFragments, 561 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1940645 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 284849 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2316 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 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: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && tmp == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: 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) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:50:33,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d5b82c-289c-495e-8dd4-c201a1f30c34/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...