./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9413dd793f1d68cdbd482b32ad92680b7805316 ............................................................................................................................................ 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c9413dd793f1d68cdbd482b32ad92680b7805316 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:04:35,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:35,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:35,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:35,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:35,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:35,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:35,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:35,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:35,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:35,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:35,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:35,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:35,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:35,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:35,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:35,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:35,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:35,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:35,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:35,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:36,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:36,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:36,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:36,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:36,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:36,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:36,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:36,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:36,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:36,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:36,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:36,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:36,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:36,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:36,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:36,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:36,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:36,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:36,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:36,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:36,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:04:36,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:36,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:36,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:36,076 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:36,076 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:36,077 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:36,077 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:04:36,077 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:36,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:36,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:04:36,078 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:04:36,079 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:36,079 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:04:36,079 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:04:36,080 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:04:36,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:36,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:36,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:04:36,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:36,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:36,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:36,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:36,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:36,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:36,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:36,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:36,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:36,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:36,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:36,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:36,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:36,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:36,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:36,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:36,086 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:04:36,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:04:36,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:36,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:36,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:36,087 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9413dd793f1d68cdbd482b32ad92680b7805316 [2021-10-13 07:04:36,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:36,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:36,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:36,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:36,422 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:36,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-13 07:04:36,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/01340b934/498de8f375ba462db1f0821d4cb97e6b/FLAGf27f6296d [2021-10-13 07:04:37,172 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:37,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-13 07:04:37,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/01340b934/498de8f375ba462db1f0821d4cb97e6b/FLAGf27f6296d [2021-10-13 07:04:37,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/01340b934/498de8f375ba462db1f0821d4cb97e6b [2021-10-13 07:04:37,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:37,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:37,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:37,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:37,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:37,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:37" (1/1) ... [2021-10-13 07:04:37,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc7fa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:37, skipping insertion in model container [2021-10-13 07:04:37,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:37" (1/1) ... [2021-10-13 07:04:37,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:37,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:37,920 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-13 07:04:37,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:37,958 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:04:37,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d6f5c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:37, skipping insertion in model container [2021-10-13 07:04:37,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:37,959 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:04:37,962 INFO L168 Benchmark]: Toolchain (without parser) took 502.82 ms. Allocated memory is still 104.9 MB. Free memory was 64.1 MB in the beginning and 76.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:37,963 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 104.9 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:04:37,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.98 ms. Allocated memory is still 104.9 MB. Free memory was 64.0 MB in the beginning and 76.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:04:37,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 104.9 MB. Free memory is still 81.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 496.98 ms. Allocated memory is still 104.9 MB. Free memory was 64.0 MB in the beginning and 76.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 490]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:04:40,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:04:40,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:04:40,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:04:40,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:04:40,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:04:40,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:04:40,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:04:40,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:04:40,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:04:40,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:04:40,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:04:40,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:04:40,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:04:40,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:04:40,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:04:40,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:04:40,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:04:40,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:04:40,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:04:40,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:04:40,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:04:40,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:04:40,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:04:40,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:04:40,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:04:40,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:04:40,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:04:40,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:04:40,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:04:40,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:04:40,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:04:40,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:04:40,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:04:40,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:04:40,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:04:40,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:04:40,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:04:40,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:04:40,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:04:40,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:04:40,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:04:40,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:04:40,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:04:40,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:04:40,995 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:04:40,996 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:04:40,996 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:04:40,996 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:04:40,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:04:40,997 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:04:40,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:04:41,001 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:04:41,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:04:41,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:04:41,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:04:41,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:04:41,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:04:41,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:04:41,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:04:41,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:04:41,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:04:41,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:04:41,004 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:04:41,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:04:41,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:04:41,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:04:41,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:04:41,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:41,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:04:41,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:04:41,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:04:41,007 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:04:41,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:04:41,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:04:41,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:04:41,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:04:41,009 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9413dd793f1d68cdbd482b32ad92680b7805316 [2021-10-13 07:04:41,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:04:41,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:04:41,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:04:41,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:04:41,566 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:04:41,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-13 07:04:41,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/39139e3a5/a2976d090c18439eb1668612a528d7ac/FLAGda24dd8bc [2021-10-13 07:04:42,366 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:04:42,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c [2021-10-13 07:04:42,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/39139e3a5/a2976d090c18439eb1668612a528d7ac/FLAGda24dd8bc [2021-10-13 07:04:42,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/data/39139e3a5/a2976d090c18439eb1668612a528d7ac [2021-10-13 07:04:42,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:04:42,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:04:42,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:42,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:04:42,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:04:42,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:42" (1/1) ... [2021-10-13 07:04:42,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fd0127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:42, skipping insertion in model container [2021-10-13 07:04:42,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:04:42" (1/1) ... [2021-10-13 07:04:42,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:04:42,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:43,173 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-13 07:04:43,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:43,233 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:04:43,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:04:43,353 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_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-13 07:04:43,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:43,374 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:04:43,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/sv-benchmarks/c/product-lines/minepump_spec5_product59.cil.c[16678,16691] [2021-10-13 07:04:43,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:04:43,532 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:04:43,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43 WrapperNode [2021-10-13 07:04:43,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:04:43,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:43,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:04:43,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:04:43,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:04:43,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:04:43,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:04:43,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:04:43,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:04:43,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:04:43,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:04:43,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:04:43,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (1/1) ... [2021-10-13 07:04:43,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:04:43,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:43,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:04:43,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:04:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:04:43,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:04:43,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:04:43,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:04:46,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:04:46,492 INFO L299 CfgBuilder]: Removed 210 assume(true) statements. [2021-10-13 07:04:46,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46 BoogieIcfgContainer [2021-10-13 07:04:46,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:04:46,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:04:46,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:04:46,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:04:46,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:04:42" (1/3) ... [2021-10-13 07:04:46,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341f312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:46, skipping insertion in model container [2021-10-13 07:04:46,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:04:43" (2/3) ... [2021-10-13 07:04:46,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341f312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:04:46, skipping insertion in model container [2021-10-13 07:04:46,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46" (3/3) ... [2021-10-13 07:04:46,505 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2021-10-13 07:04:46,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:04:46,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:04:46,591 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:04:46,598 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:04:46,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:04:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 145 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 07:04:46,625 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:46,626 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:46,627 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:46,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash 389332384, now seen corresponding path program 1 times [2021-10-13 07:04:46,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:46,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305458724] [2021-10-13 07:04:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:46,648 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:46,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:04:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:46,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:04:46,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:46,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:47,035 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:47,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305458724] [2021-10-13 07:04:47,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305458724] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:47,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:47,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:04:47,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038429572] [2021-10-13 07:04:47,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:04:47,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:47,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:04:47,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:04:47,063 INFO L87 Difference]: Start difference. First operand has 146 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 145 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:47,103 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2021-10-13 07:04:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:04:47,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 07:04:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:47,118 INFO L225 Difference]: With dead ends: 285 [2021-10-13 07:04:47,118 INFO L226 Difference]: Without dead ends: 142 [2021-10-13 07:04:47,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:04:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-13 07:04:47,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-10-13 07:04:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 139 states have (on average 1.4676258992805755) internal successors, (204), 141 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 204 transitions. [2021-10-13 07:04:47,181 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 204 transitions. Word has length 19 [2021-10-13 07:04:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:47,181 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 204 transitions. [2021-10-13 07:04:47,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2021-10-13 07:04:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 07:04:47,186 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:47,186 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:47,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 07:04:47,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:47,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:47,402 INFO L82 PathProgramCache]: Analyzing trace with hash -820290624, now seen corresponding path program 1 times [2021-10-13 07:04:47,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:47,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836728133] [2021-10-13 07:04:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:47,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:47,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:47,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:47,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:04:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:47,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:04:47,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:47,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:47,843 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:47,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836728133] [2021-10-13 07:04:47,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836728133] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:47,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:47,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:04:47,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839903429] [2021-10-13 07:04:47,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:04:47,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:47,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:04:47,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:47,854 INFO L87 Difference]: Start difference. First operand 142 states and 204 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:47,891 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2021-10-13 07:04:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:04:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 07:04:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:47,903 INFO L225 Difference]: With dead ends: 142 [2021-10-13 07:04:47,903 INFO L226 Difference]: Without dead ends: 59 [2021-10-13 07:04:47,905 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:47,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-13 07:04:47,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-13 07:04:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 58 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 84 transitions. [2021-10-13 07:04:47,926 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 84 transitions. Word has length 20 [2021-10-13 07:04:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:47,926 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 84 transitions. [2021-10-13 07:04:47,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2021-10-13 07:04:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 07:04:47,928 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:47,928 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:47,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:48,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:48,129 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:48,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:48,130 INFO L82 PathProgramCache]: Analyzing trace with hash 161597825, now seen corresponding path program 1 times [2021-10-13 07:04:48,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:48,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981213593] [2021-10-13 07:04:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:48,132 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:48,135 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:48,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:04:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:48,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:04:48,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:48,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:48,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:48,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981213593] [2021-10-13 07:04:48,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981213593] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:48,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:48,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:04:48,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484349407] [2021-10-13 07:04:48,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:04:48,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:48,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:04:48,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:48,747 INFO L87 Difference]: Start difference. First operand 59 states and 84 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:48,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:48,818 INFO L93 Difference]: Finished difference Result 189 states and 276 transitions. [2021-10-13 07:04:48,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:04:48,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 07:04:48,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:48,824 INFO L225 Difference]: With dead ends: 189 [2021-10-13 07:04:48,824 INFO L226 Difference]: Without dead ends: 137 [2021-10-13 07:04:48,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-13 07:04:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 81. [2021-10-13 07:04:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.4625) internal successors, (117), 80 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2021-10-13 07:04:48,856 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 26 [2021-10-13 07:04:48,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:48,856 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2021-10-13 07:04:48,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2021-10-13 07:04:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 07:04:48,858 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:48,858 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:48,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:49,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:49,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:49,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1792264266, now seen corresponding path program 1 times [2021-10-13 07:04:49,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:49,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845950680] [2021-10-13 07:04:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:49,084 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:49,086 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:49,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:04:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:49,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:04:49,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:49,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:49,482 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:49,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845950680] [2021-10-13 07:04:49,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845950680] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:49,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:49,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:04:49,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200828081] [2021-10-13 07:04:49,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:04:49,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:49,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:04:49,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:04:49,488 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:49,592 INFO L93 Difference]: Finished difference Result 179 states and 261 transitions. [2021-10-13 07:04:49,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:04:49,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-13 07:04:49,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:49,594 INFO L225 Difference]: With dead ends: 179 [2021-10-13 07:04:49,594 INFO L226 Difference]: Without dead ends: 105 [2021-10-13 07:04:49,595 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:04:49,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-13 07:04:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-10-13 07:04:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4215686274509804) internal successors, (145), 102 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2021-10-13 07:04:49,612 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 28 [2021-10-13 07:04:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:49,613 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2021-10-13 07:04:49,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2021-10-13 07:04:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 07:04:49,615 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:49,615 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:49,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:49,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,830 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:49,830 INFO L82 PathProgramCache]: Analyzing trace with hash -106881590, now seen corresponding path program 1 times [2021-10-13 07:04:49,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:49,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246179890] [2021-10-13 07:04:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:49,832 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:49,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:49,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:04:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:50,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:04:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:50,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:50,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:50,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246179890] [2021-10-13 07:04:50,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246179890] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:50,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:50,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:04:50,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691009105] [2021-10-13 07:04:50,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:04:50,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:04:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:04:50,260 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:50,494 INFO L93 Difference]: Finished difference Result 338 states and 477 transitions. [2021-10-13 07:04:50,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:04:50,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 07:04:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:50,498 INFO L225 Difference]: With dead ends: 338 [2021-10-13 07:04:50,498 INFO L226 Difference]: Without dead ends: 242 [2021-10-13 07:04:50,499 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 60.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:04:50,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-13 07:04:50,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 101. [2021-10-13 07:04:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 139 transitions. [2021-10-13 07:04:50,520 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 139 transitions. Word has length 29 [2021-10-13 07:04:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:50,520 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 139 transitions. [2021-10-13 07:04:50,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2021-10-13 07:04:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:04:50,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:50,523 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:50,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:50,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:50,738 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:50,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:50,739 INFO L82 PathProgramCache]: Analyzing trace with hash -679787626, now seen corresponding path program 1 times [2021-10-13 07:04:50,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:50,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659533195] [2021-10-13 07:04:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:50,740 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:50,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:50,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:50,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:04:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:51,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:04:51,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:51,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:51,250 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:51,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659533195] [2021-10-13 07:04:51,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659533195] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:51,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:51,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:04:51,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110579465] [2021-10-13 07:04:51,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:04:51,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:04:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:04:51,256 INFO L87 Difference]: Start difference. First operand 101 states and 139 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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) [2021-10-13 07:04:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:51,355 INFO L93 Difference]: Finished difference Result 288 states and 396 transitions. [2021-10-13 07:04:51,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:04:51,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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 37 [2021-10-13 07:04:51,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:51,358 INFO L225 Difference]: With dead ends: 288 [2021-10-13 07:04:51,359 INFO L226 Difference]: Without dead ends: 194 [2021-10-13 07:04:51,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:04:51,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-13 07:04:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 107. [2021-10-13 07:04:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.3679245283018868) internal successors, (145), 106 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 145 transitions. [2021-10-13 07:04:51,379 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 145 transitions. Word has length 37 [2021-10-13 07:04:51,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:51,379 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 145 transitions. [2021-10-13 07:04:51,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 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) [2021-10-13 07:04:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2021-10-13 07:04:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:04:51,382 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:51,382 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:51,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:51,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:51,597 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:51,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:51,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1690904876, now seen corresponding path program 1 times [2021-10-13 07:04:51,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:51,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357688371] [2021-10-13 07:04:51,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:51,598 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:51,600 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:51,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:04:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:51,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:04:51,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:52,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:52,152 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:52,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357688371] [2021-10-13 07:04:52,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357688371] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:52,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:52,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:04:52,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839621218] [2021-10-13 07:04:52,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:04:52,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:52,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:04:52,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:04:52,155 INFO L87 Difference]: Start difference. First operand 107 states and 145 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:52,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:52,237 INFO L93 Difference]: Finished difference Result 305 states and 413 transitions. [2021-10-13 07:04:52,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:04:52,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:04:52,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:52,240 INFO L225 Difference]: With dead ends: 305 [2021-10-13 07:04:52,241 INFO L226 Difference]: Without dead ends: 205 [2021-10-13 07:04:52,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:04:52,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2021-10-13 07:04:52,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 111. [2021-10-13 07:04:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.3545454545454545) internal successors, (149), 110 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 149 transitions. [2021-10-13 07:04:52,263 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 149 transitions. Word has length 37 [2021-10-13 07:04:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:52,264 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 149 transitions. [2021-10-13 07:04:52,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 149 transitions. [2021-10-13 07:04:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 07:04:52,266 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:52,266 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:52,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:52,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:52,481 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:52,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1582994066, now seen corresponding path program 1 times [2021-10-13 07:04:52,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:52,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705436431] [2021-10-13 07:04:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:52,483 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:52,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:52,487 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:52,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:04:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:52,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:04:52,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:52,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:53,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:53,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705436431] [2021-10-13 07:04:53,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705436431] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:53,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:53,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:04:53,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816990406] [2021-10-13 07:04:53,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:04:53,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:53,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:04:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:53,082 INFO L87 Difference]: Start difference. First operand 111 states and 149 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:53,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:53,166 INFO L93 Difference]: Finished difference Result 349 states and 473 transitions. [2021-10-13 07:04:53,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:04:53,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 07:04:53,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:53,169 INFO L225 Difference]: With dead ends: 349 [2021-10-13 07:04:53,169 INFO L226 Difference]: Without dead ends: 245 [2021-10-13 07:04:53,170 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:04:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-10-13 07:04:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 193. [2021-10-13 07:04:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 192 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 259 transitions. [2021-10-13 07:04:53,209 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 259 transitions. Word has length 37 [2021-10-13 07:04:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:53,210 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 259 transitions. [2021-10-13 07:04:53,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 259 transitions. [2021-10-13 07:04:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 07:04:53,212 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:53,212 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:53,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:53,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:53,426 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:53,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1176175278, now seen corresponding path program 1 times [2021-10-13 07:04:53,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:53,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691518830] [2021-10-13 07:04:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:53,427 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:53,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:53,432 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:53,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:04:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:53,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:04:53,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:53,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:54,147 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:54,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691518830] [2021-10-13 07:04:54,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691518830] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:04:54,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:04:54,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:04:54,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155871351] [2021-10-13 07:04:54,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:04:54,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:54,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:04:54,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:04:54,150 INFO L87 Difference]: Start difference. First operand 193 states and 259 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:56,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:04:56,337 INFO L93 Difference]: Finished difference Result 975 states and 1323 transitions. [2021-10-13 07:04:56,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:04:56,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 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 38 [2021-10-13 07:04:56,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:04:56,343 INFO L225 Difference]: With dead ends: 975 [2021-10-13 07:04:56,343 INFO L226 Difference]: Without dead ends: 789 [2021-10-13 07:04:56,344 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 76.9ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:04:56,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-10-13 07:04:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 350. [2021-10-13 07:04:56,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.329512893982808) internal successors, (464), 349 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 464 transitions. [2021-10-13 07:04:56,407 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 464 transitions. Word has length 38 [2021-10-13 07:04:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:04:56,409 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 464 transitions. [2021-10-13 07:04:56,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:04:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 464 transitions. [2021-10-13 07:04:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-13 07:04:56,410 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:04:56,411 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:04:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:04:56,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:04:56,625 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:04:56,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:04:56,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1917118807, now seen corresponding path program 1 times [2021-10-13 07:04:56,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:04:56,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989199258] [2021-10-13 07:04:56,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:56,628 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:04:56,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:04:56,628 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:04:56,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 07:04:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:57,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:04:57,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:04:57,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-13 07:04:57,601 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:04:57,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989199258] [2021-10-13 07:04:57,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989199258] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:04:57,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1617282611] [2021-10-13 07:04:57,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:57,602 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:04:57,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:04:57,605 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:04:57,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-13 07:04:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:58,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 07:04:58,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:58,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:58,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1617282611] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:04:58,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607627587] [2021-10-13 07:04:58,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:04:58,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:04:58,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:04:58,584 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:04:58,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-13 07:04:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:04:58,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:04:58,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:04:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:59,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:04:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:04:59,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607627587] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:04:59,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:04:59,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-13 07:04:59,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488935612] [2021-10-13 07:04:59,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-13 07:04:59,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:04:59,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-13 07:04:59,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-13 07:04:59,392 INFO L87 Difference]: Start difference. First operand 350 states and 464 transitions. Second operand has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:10,722 INFO L93 Difference]: Finished difference Result 2729 states and 3703 transitions. [2021-10-13 07:05:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2021-10-13 07:05:10,723 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 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 61 [2021-10-13 07:05:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:10,740 INFO L225 Difference]: With dead ends: 2729 [2021-10-13 07:05:10,740 INFO L226 Difference]: Without dead ends: 2386 [2021-10-13 07:05:10,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3981 ImplicationChecksByTransitivity, 2321.5ms TimeCoverageRelationStatistics Valid=1791, Invalid=8715, Unknown=0, NotChecked=0, Total=10506 [2021-10-13 07:05:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2021-10-13 07:05:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 488. [2021-10-13 07:05:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 487 states have (on average 1.3080082135523614) internal successors, (637), 487 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 637 transitions. [2021-10-13 07:05:10,873 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 637 transitions. Word has length 61 [2021-10-13 07:05:10,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:10,874 INFO L470 AbstractCegarLoop]: Abstraction has 488 states and 637 transitions. [2021-10-13 07:05:10,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.357142857142858) internal successors, (187), 14 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:10,875 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 637 transitions. [2021-10-13 07:05:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-13 07:05:10,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:05:10,878 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:05:10,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:11,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:11,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:11,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt [2021-10-13 07:05:11,501 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:05:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:05:11,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1565951782, now seen corresponding path program 1 times [2021-10-13 07:05:11,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:05:11,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735682396] [2021-10-13 07:05:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:05:11,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:05:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:05:11,504 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:05:11,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 07:05:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:05:11,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:05:11,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:05:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:05:12,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:05:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 07:05:12,575 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:05:12,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735682396] [2021-10-13 07:05:12,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735682396] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:05:12,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:05:12,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:05:12,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881916741] [2021-10-13 07:05:12,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:05:12,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:05:12,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:05:12,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:05:12,578 INFO L87 Difference]: Start difference. First operand 488 states and 637 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:12,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:05:12,679 INFO L93 Difference]: Finished difference Result 811 states and 1048 transitions. [2021-10-13 07:05:12,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:05:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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 109 [2021-10-13 07:05:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:05:12,680 INFO L225 Difference]: With dead ends: 811 [2021-10-13 07:05:12,680 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:05:12,682 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 55.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:05:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:05:12,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:05:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:05:12,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2021-10-13 07:05:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:05:12,683 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:05:12,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:05:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:05:12,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:05:12,687 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:05:12,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:05:12,688 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:05:12,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:05:12,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:05:12,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:05:12,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:12,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:12,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:13,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:14,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:15,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:05:23,011 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,012 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-13 07:05:23,012 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,012 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-10-13 07:05:23,012 INFO L857 garLoopResultBuilder]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,012 INFO L857 garLoopResultBuilder]: For program point L301-1(lines 301 309) no Hoare annotation was computed. [2021-10-13 07:05:23,013 INFO L857 garLoopResultBuilder]: For program point L301-2(lines 301 309) no Hoare annotation was computed. [2021-10-13 07:05:23,013 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-10-13 07:05:23,013 INFO L857 garLoopResultBuilder]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,013 INFO L853 garLoopResultBuilder]: At program point L202-1(lines 202 208) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32)))))) [2021-10-13 07:05:23,013 INFO L857 garLoopResultBuilder]: For program point L334-6(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,014 INFO L857 garLoopResultBuilder]: For program point L334-8(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,014 INFO L857 garLoopResultBuilder]: For program point L334-10(lines 334 340) no Hoare annotation was computed. [2021-10-13 07:05:23,014 INFO L853 garLoopResultBuilder]: At program point L368(lines 363 371) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-13 07:05:23,014 INFO L853 garLoopResultBuilder]: At program point L368-1(lines 363 371) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,015 INFO L853 garLoopResultBuilder]: At program point L368-2(lines 363 371) the Hoare annotation is: false [2021-10-13 07:05:23,015 INFO L853 garLoopResultBuilder]: At program point L368-3(lines 363 371) the Hoare annotation is: false [2021-10-13 07:05:23,015 INFO L853 garLoopResultBuilder]: At program point L368-4(lines 363 371) the Hoare annotation is: false [2021-10-13 07:05:23,015 INFO L853 garLoopResultBuilder]: At program point L368-5(lines 363 371) the Hoare annotation is: false [2021-10-13 07:05:23,015 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 881) no Hoare annotation was computed. [2021-10-13 07:05:23,015 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 1 1019) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse5) (and .cse0 .cse2 .cse6 .cse5) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse3 .cse7 .cse4))) [2021-10-13 07:05:23,016 INFO L853 garLoopResultBuilder]: At program point L897-2(lines 897 911) the Hoare annotation is: false [2021-10-13 07:05:23,016 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 881) no Hoare annotation was computed. [2021-10-13 07:05:23,016 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 1 1019) the Hoare annotation is: false [2021-10-13 07:05:23,016 INFO L857 garLoopResultBuilder]: For program point L864-4(lines 864 881) no Hoare annotation was computed. [2021-10-13 07:05:23,016 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 1 1019) the Hoare annotation is: false [2021-10-13 07:05:23,016 INFO L853 garLoopResultBuilder]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-13 07:05:23,016 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-10-13 07:05:23,017 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-13 07:05:23,017 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2021-10-13 07:05:23,017 INFO L853 garLoopResultBuilder]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-13 07:05:23,017 INFO L853 garLoopResultBuilder]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-13 07:05:23,017 INFO L857 garLoopResultBuilder]: For program point L898(line 898) no Hoare annotation was computed. [2021-10-13 07:05:23,017 INFO L857 garLoopResultBuilder]: For program point L832(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,017 INFO L857 garLoopResultBuilder]: For program point L832-1(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L832-2(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L436-2(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L436-5(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L271-1(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L436-6(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,018 INFO L857 garLoopResultBuilder]: For program point L271-2(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L271-3(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L436-8(lines 436 440) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L271-4(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L271-5(lines 271 288) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L853 garLoopResultBuilder]: At program point L239(lines 235 257) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3))) [2021-10-13 07:05:23,019 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 235 257) the Hoare annotation is: false [2021-10-13 07:05:23,019 INFO L853 garLoopResultBuilder]: At program point L239-2(lines 235 257) the Hoare annotation is: false [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 878) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L901-1(lines 901 905) no Hoare annotation was computed. [2021-10-13 07:05:23,019 INFO L857 garLoopResultBuilder]: For program point L868-2(lines 868 878) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L868-4(lines 868 878) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 875) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L869-4(lines 869 875) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L275-1(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-10-13 07:05:23,020 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,021 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 176 182) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-13 07:05:23,021 INFO L857 garLoopResultBuilder]: For program point L275-4(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,021 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 283) no Hoare annotation was computed. [2021-10-13 07:05:23,021 INFO L853 garLoopResultBuilder]: At program point L442(lines 427 445) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:05:23,021 INFO L853 garLoopResultBuilder]: At program point L442-1(lines 427 445) the Hoare annotation is: false [2021-10-13 07:05:23,022 INFO L853 garLoopResultBuilder]: At program point L442-2(lines 427 445) the Hoare annotation is: false [2021-10-13 07:05:23,022 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-13 07:05:23,022 INFO L857 garLoopResultBuilder]: For program point L972(lines 972 979) no Hoare annotation was computed. [2021-10-13 07:05:23,022 INFO L860 garLoopResultBuilder]: At program point L972-1(lines 972 979) the Hoare annotation is: true [2021-10-13 07:05:23,022 INFO L853 garLoopResultBuilder]: At program point L246(lines 246 252) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-13 07:05:23,022 INFO L853 garLoopResultBuilder]: At program point L246-1(lines 246 252) the Hoare annotation is: false [2021-10-13 07:05:23,023 INFO L853 garLoopResultBuilder]: At program point L246-2(lines 246 252) the Hoare annotation is: false [2021-10-13 07:05:23,023 INFO L853 garLoopResultBuilder]: At program point L214(lines 165 215) the Hoare annotation is: false [2021-10-13 07:05:23,023 INFO L853 garLoopResultBuilder]: At program point L148(lines 143 151) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-13 07:05:23,023 INFO L853 garLoopResultBuilder]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-13 07:05:23,023 INFO L853 garLoopResultBuilder]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-13 07:05:23,024 INFO L853 garLoopResultBuilder]: At program point L1008(lines 1 1019) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,024 INFO L853 garLoopResultBuilder]: At program point L843(lines 838 845) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,024 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:05:23,024 INFO L853 garLoopResultBuilder]: At program point L945(lines 941 947) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,024 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 456) no Hoare annotation was computed. [2021-10-13 07:05:23,024 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 450 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1))) [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L417-2(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L417-3(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L417-5(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L417-6(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,025 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 192) no Hoare annotation was computed. [2021-10-13 07:05:23,026 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 186 192) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2))) [2021-10-13 07:05:23,026 INFO L857 garLoopResultBuilder]: For program point L417-8(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,026 INFO L857 garLoopResultBuilder]: For program point L417-9(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,026 INFO L857 garLoopResultBuilder]: For program point L417-11(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,026 INFO L857 garLoopResultBuilder]: For program point L417-12(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,026 INFO L857 garLoopResultBuilder]: For program point L417-14(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,027 INFO L857 garLoopResultBuilder]: For program point L417-15(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,027 INFO L857 garLoopResultBuilder]: For program point L417-17(lines 417 421) no Hoare annotation was computed. [2021-10-13 07:05:23,027 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-13 07:05:23,027 INFO L857 garLoopResultBuilder]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-13 07:05:23,027 INFO L860 garLoopResultBuilder]: At program point L981(lines 962 984) the Hoare annotation is: true [2021-10-13 07:05:23,027 INFO L857 garLoopResultBuilder]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-13 07:05:23,028 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:05:23,028 INFO L853 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,028 INFO L853 garLoopResultBuilder]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (not (= ~systemActive~0 (_ bv0 32)))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5) (and .cse0 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5))) [2021-10-13 07:05:23,028 INFO L853 garLoopResultBuilder]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2021-10-13 07:05:23,028 INFO L853 garLoopResultBuilder]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423(lines 408 426) the Hoare annotation is: false [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423-1(lines 408 426) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423-2(lines 408 426) the Hoare annotation is: false [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423-3(lines 408 426) the Hoare annotation is: false [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423-4(lines 408 426) the Hoare annotation is: false [2021-10-13 07:05:23,029 INFO L853 garLoopResultBuilder]: At program point L423-5(lines 408 426) the Hoare annotation is: false [2021-10-13 07:05:23,030 INFO L853 garLoopResultBuilder]: At program point L93(lines 88 96) the Hoare annotation is: false [2021-10-13 07:05:23,030 INFO L853 garLoopResultBuilder]: At program point L93-1(lines 88 96) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,030 INFO L853 garLoopResultBuilder]: At program point L93-2(lines 88 96) the Hoare annotation is: false [2021-10-13 07:05:23,030 INFO L853 garLoopResultBuilder]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-13 07:05:23,030 INFO L853 garLoopResultBuilder]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-13 07:05:23,031 INFO L853 garLoopResultBuilder]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-13 07:05:23,031 INFO L853 garLoopResultBuilder]: At program point L853(lines 239 245) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 .cse2 .cse3))) [2021-10-13 07:05:23,031 INFO L853 garLoopResultBuilder]: At program point L853-1(lines 239 245) the Hoare annotation is: false [2021-10-13 07:05:23,031 INFO L853 garLoopResultBuilder]: At program point L853-2(lines 239 245) the Hoare annotation is: false [2021-10-13 07:05:23,031 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:05:23,031 INFO L853 garLoopResultBuilder]: At program point L359(lines 352 362) the Hoare annotation is: false [2021-10-13 07:05:23,032 INFO L853 garLoopResultBuilder]: At program point L359-1(lines 352 362) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:05:23,032 INFO L853 garLoopResultBuilder]: At program point L359-2(lines 352 362) the Hoare annotation is: false [2021-10-13 07:05:23,032 INFO L853 garLoopResultBuilder]: At program point L359-3(lines 352 362) the Hoare annotation is: false [2021-10-13 07:05:23,032 INFO L853 garLoopResultBuilder]: At program point L359-4(lines 352 362) the Hoare annotation is: false [2021-10-13 07:05:23,032 INFO L853 garLoopResultBuilder]: At program point L359-5(lines 352 362) the Hoare annotation is: false [2021-10-13 07:05:23,032 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 209) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 832) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 314) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point L297-1(lines 297 314) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point L297-2(lines 297 314) no Hoare annotation was computed. [2021-10-13 07:05:23,033 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-13 07:05:23,034 INFO L857 garLoopResultBuilder]: For program point L167(lines 166 213) no Hoare annotation was computed. [2021-10-13 07:05:23,035 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-13 07:05:23,040 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:05:23,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:05:23 BoogieIcfgContainer [2021-10-13 07:05:23,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:05:23,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:05:23,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:05:23,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:05:23,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:04:46" (3/4) ... [2021-10-13 07:05:23,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:05:23,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:05:23,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:05:23,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:05:23,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:05:23,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:05:23,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:05:23,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:05:23,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) [2021-10-13 07:05:23,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-13 07:05:23,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-13 07:05:23,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) [2021-10-13 07:05:23,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result [2021-10-13 07:05:23,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-13 07:05:23,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-13 07:05:23,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:05:23,218 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:05:23,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:05:23,220 INFO L168 Benchmark]: Toolchain (without parser) took 40608.81 ms. Allocated memory was 60.8 MB in the beginning and 146.8 MB in the end (delta: 86.0 MB). Free memory was 39.9 MB in the beginning and 72.9 MB in the end (delta: -33.0 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,220 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:05:23,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 922.23 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 39.6 MB in the beginning and 58.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.69 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 54.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,222 INFO L168 Benchmark]: Boogie Preprocessor took 127.59 ms. Allocated memory is still 90.2 MB. Free memory was 54.9 MB in the beginning and 51.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,222 INFO L168 Benchmark]: RCFGBuilder took 2694.12 ms. Allocated memory is still 90.2 MB. Free memory was 51.6 MB in the beginning and 43.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,223 INFO L168 Benchmark]: TraceAbstraction took 36577.41 ms. Allocated memory was 90.2 MB in the beginning and 146.8 MB in the end (delta: 56.6 MB). Free memory was 43.0 MB in the beginning and 84.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 66.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,223 INFO L168 Benchmark]: Witness Printer took 143.67 ms. Allocated memory is still 146.8 MB. Free memory was 84.4 MB in the beginning and 72.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:05:23,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 60.8 MB. Free memory is still 41.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 922.23 ms. Allocated memory was 60.8 MB in the beginning and 90.2 MB in the end (delta: 29.4 MB). Free memory was 39.6 MB in the beginning and 58.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.69 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 54.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.59 ms. Allocated memory is still 90.2 MB. Free memory was 54.9 MB in the beginning and 51.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2694.12 ms. Allocated memory is still 90.2 MB. Free memory was 51.6 MB in the beginning and 43.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36577.41 ms. Allocated memory was 90.2 MB in the beginning and 146.8 MB in the end (delta: 56.6 MB). Free memory was 43.0 MB in the beginning and 84.4 MB in the end (delta: -41.4 MB). Peak memory consumption was 66.6 MB. Max. memory is 16.1 GB. * Witness Printer took 143.67 ms. Allocated memory is still 146.8 MB. Free memory was 84.4 MB in the beginning and 72.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 832]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 832]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 832]: 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, 146 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 36450.6ms, OverallIterations: 11, TraceHistogramMax: 4, EmptinessCheckTime: 29.8ms, AutomataDifference: 14498.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10109.5ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1496 SDtfs, 3274 SDslu, 4335 SDs, 0 SdLazy, 1030 SolverSat, 210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10559.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1277 GetRequests, 1135 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3998 ImplicationChecksByTransitivity, 2612.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=488occurred in iteration=10, InterpolantAutomatonStates: 147, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 393.9ms AutomataMinimizationTime, 11 MinimizatonAttempts, 2769 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 216 NumberOfFragments, 843 HoareAnnotationTreeSize, 63 FomulaSimplifications, 467476 FormulaSimplificationTreeSizeReduction, 2350.5ms HoareSimplificationTime, 63 FomulaSimplificationsInter, 327251 FormulaSimplificationTreeSizeReductionInter, 7740.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 363.7ms SsaConstructionTime, 1682.4ms SatisfiabilityAnalysisTime, 4348.6ms InterpolantComputationTime, 563 NumberOfCodeBlocks, 563 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2020 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2967 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 296/320 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: 838]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == tmp) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && !(systemActive == 0bv32)) && 2bv32 == \result) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && tmp == 0bv32) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:05:23,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef9b463-297f-4e88-9773-3a2fb13e20d3/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...