./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE --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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 ............................................................................................................................................ 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE --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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:35:44,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:35:44,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:35:44,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:35:44,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:35:44,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:35:44,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:35:44,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:35:44,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:35:44,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:35:44,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:35:44,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:35:44,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:35:44,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:35:44,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:35:44,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:35:44,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:35:44,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:35:45,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:35:45,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:35:45,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:35:45,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:35:45,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:35:45,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:35:45,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:35:45,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:35:45,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:35:45,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:35:45,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:35:45,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:35:45,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:35:45,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:35:45,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:35:45,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:35:45,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:35:45,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:35:45,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:35:45,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:35:45,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:35:45,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:35:45,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:35:45,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:35:45,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:35:45,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:35:45,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:35:45,091 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:35:45,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:35:45,092 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:35:45,092 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:35:45,092 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:35:45,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:35:45,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:35:45,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:35:45,100 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:35:45,100 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:35:45,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:35:45,101 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:35:45,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:35:45,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:35:45,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:35:45,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:35:45,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:35:45,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:35:45,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:35:45,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:35:45,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:35:45,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:35:45,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:35:45,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:35:45,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:35:45,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:35:45,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:35:45,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:45,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:35:45,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:35:45,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:35:45,108 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:35:45,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:35:45,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:35:45,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:35:45,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:35:45,109 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2021-10-24 10:35:45,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:35:45,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:35:45,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:35:45,467 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:35:45,468 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:35:45,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-10-24 10:35:45,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/b5ce8a828/d0fbac472a6c45089c9c8b3bb8113982/FLAGd7b53fae3 [2021-10-24 10:35:46,232 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:35:46,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-10-24 10:35:46,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/b5ce8a828/d0fbac472a6c45089c9c8b3bb8113982/FLAGd7b53fae3 [2021-10-24 10:35:46,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/b5ce8a828/d0fbac472a6c45089c9c8b3bb8113982 [2021-10-24 10:35:46,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:35:46,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:35:46,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:46,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:35:46,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:35:46,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:46" (1/1) ... [2021-10-24 10:35:46,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67241c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:46, skipping insertion in model container [2021-10-24 10:35:46,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:46" (1/1) ... [2021-10-24 10:35:46,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:35:46,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:46,811 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2021-10-24 10:35:46,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:46,983 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) [2021-10-24 10:35:46,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bf54a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:46, skipping insertion in model container [2021-10-24 10:35:46,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:46,985 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:35:46,988 INFO L168 Benchmark]: Toolchain (without parser) took 443.64 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.5 MB in the beginning and 76.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:46,989 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:35:46,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.39 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 76.6 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:35:46,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.39 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 49.3 MB in the beginning and 76.6 MB in the end (delta: -27.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 156]: 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-e943c26 [2021-10-24 10:35:49,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:35:49,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:35:49,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:35:49,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:35:49,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:35:49,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:35:49,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:35:49,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:35:49,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:35:49,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:35:49,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:35:49,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:35:49,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:35:49,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:35:49,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:35:49,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:35:49,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:35:49,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:35:49,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:35:49,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:35:49,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:35:49,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:35:49,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:35:49,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:35:49,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:35:49,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:35:49,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:35:49,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:35:49,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:35:49,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:35:49,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:35:49,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:35:49,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:35:49,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:35:49,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:35:49,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:35:49,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:35:49,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:35:49,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:35:49,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:35:49,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:35:49,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:35:49,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:35:49,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:35:49,496 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:35:49,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:35:49,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:35:49,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:35:49,497 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:35:49,497 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:35:49,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:35:49,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:35:49,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:35:49,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:35:49,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:35:49,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:35:49,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:35:49,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:35:49,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:35:49,501 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:35:49,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:35:49,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:35:49,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:35:49,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:35:49,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:35:49,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:35:49,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:35:49,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:49,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:35:49,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:35:49,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:35:49,504 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:35:49,504 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:35:49,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:35:49,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:35:49,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:35:49,505 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2021-10-24 10:35:49,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:35:49,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:35:49,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:35:49,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:35:49,968 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:35:49,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-10-24 10:35:50,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/436c74411/e56ace032ca94b7693604a5a653580d7/FLAG961fe7cfa [2021-10-24 10:35:50,738 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:35:50,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2021-10-24 10:35:50,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/436c74411/e56ace032ca94b7693604a5a653580d7/FLAG961fe7cfa [2021-10-24 10:35:50,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/data/436c74411/e56ace032ca94b7693604a5a653580d7 [2021-10-24 10:35:50,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:35:50,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:35:51,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:51,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:35:51,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:35:51,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:50" (1/1) ... [2021-10-24 10:35:51,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1b1486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51, skipping insertion in model container [2021-10-24 10:35:51,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:35:50" (1/1) ... [2021-10-24 10:35:51,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:35:51,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:51,243 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2021-10-24 10:35:51,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:51,435 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:35:51,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:35:51,456 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2021-10-24 10:35:51,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:51,597 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:35:51,622 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_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2021-10-24 10:35:51,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:35:51,746 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:35:51,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51 WrapperNode [2021-10-24 10:35:51,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:35:51,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:51,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:35:51,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:35:51,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:35:51,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:35:51,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:35:51,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:35:51,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:35:51,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:35:51,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:35:51,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:35:51,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (1/1) ... [2021-10-24 10:35:51,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:35:51,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:35:51,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:35:51,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:35:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:35:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:35:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:35:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:35:54,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:35:54,804 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2021-10-24 10:35:54,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:54 BoogieIcfgContainer [2021-10-24 10:35:54,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:35:54,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:35:54,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:35:54,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:35:54,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:35:50" (1/3) ... [2021-10-24 10:35:54,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac3cfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:54, skipping insertion in model container [2021-10-24 10:35:54,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:35:51" (2/3) ... [2021-10-24 10:35:54,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ac3cfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:35:54, skipping insertion in model container [2021-10-24 10:35:54,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:54" (3/3) ... [2021-10-24 10:35:54,815 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2021-10-24 10:35:54,821 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:35:54,821 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:35:54,869 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:35:54,876 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:35:54,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:35:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 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) [2021-10-24 10:35:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:35:54,902 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:54,903 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:54,904 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:54,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1813047236, now seen corresponding path program 1 times [2021-10-24 10:35:54,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:54,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609433362] [2021-10-24 10:35:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:54,932 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:54,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:54,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:54,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:35:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:55,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:35:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:55,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:55,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:55,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609433362] [2021-10-24 10:35:55,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609433362] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:55,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:55,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:35:55,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980595152] [2021-10-24 10:35:55,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:35:55,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:55,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:35:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:35:55,325 INFO L87 Difference]: Start difference. First operand has 193 states, 189 states have (on average 1.560846560846561) internal successors, (295), 192 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:55,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:55,386 INFO L93 Difference]: Finished difference Result 379 states and 582 transitions. [2021-10-24 10:35:55,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:35:55,388 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:35:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:55,400 INFO L225 Difference]: With dead ends: 379 [2021-10-24 10:35:55,400 INFO L226 Difference]: Without dead ends: 189 [2021-10-24 10:35:55,404 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:35:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-10-24 10:35:55,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-10-24 10:35:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 186 states have (on average 1.521505376344086) internal successors, (283), 188 states have internal predecessors, (283), 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) [2021-10-24 10:35:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2021-10-24 10:35:55,453 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2021-10-24 10:35:55,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:55,454 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2021-10-24 10:35:55,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2021-10-24 10:35:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:35:55,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:55,456 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:35:55,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:55,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:55,669 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1594211267, now seen corresponding path program 1 times [2021-10-24 10:35:55,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:55,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449014108] [2021-10-24 10:35:55,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:55,671 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:55,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:55,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:55,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:35:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:55,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:55,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:55,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:56,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:56,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449014108] [2021-10-24 10:35:56,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449014108] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:56,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:56,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:35:56,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764292692] [2021-10-24 10:35:56,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:35:56,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:56,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:35:56,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:56,076 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:56,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:56,097 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2021-10-24 10:35:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:56,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:35:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:56,099 INFO L225 Difference]: With dead ends: 189 [2021-10-24 10:35:56,099 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 10:35:56,100 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:56,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 10:35:56,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 10:35:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-24 10:35:56,109 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-24 10:35:56,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:56,109 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-24 10:35:56,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-24 10:35:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:35:56,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:56,111 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] [2021-10-24 10:35:56,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:56,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:56,312 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:56,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:56,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1277587638, now seen corresponding path program 1 times [2021-10-24 10:35:56,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:56,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790078887] [2021-10-24 10:35:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:56,313 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:56,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:56,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:35:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:56,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:56,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:56,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:56,714 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:56,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790078887] [2021-10-24 10:35:56,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790078887] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:56,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:56,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:35:56,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274636709] [2021-10-24 10:35:56,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:35:56,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:56,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:35:56,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:56,717 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:56,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:56,732 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2021-10-24 10:35:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:56,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:35:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:56,734 INFO L225 Difference]: With dead ends: 139 [2021-10-24 10:35:56,734 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 10:35:56,735 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:35:56,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 10:35:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 10:35:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 states have internal predecessors, (107), 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) [2021-10-24 10:35:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-24 10:35:56,743 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-24 10:35:56,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:56,744 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-24 10:35:56,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-24 10:35:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:35:56,746 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:56,746 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] [2021-10-24 10:35:56,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:56,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:56,962 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:56,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1954298508, now seen corresponding path program 1 times [2021-10-24 10:35:56,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:56,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840806770] [2021-10-24 10:35:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:56,965 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:56,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:56,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:35:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:57,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:35:57,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:57,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:57,319 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:57,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840806770] [2021-10-24 10:35:57,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840806770] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:57,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:57,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:35:57,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491431910] [2021-10-24 10:35:57,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:35:57,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:35:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:35:57,322 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-24 10:35:57,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:57,399 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2021-10-24 10:35:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:35:57,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-10-24 10:35:57,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:57,401 INFO L225 Difference]: With dead ends: 149 [2021-10-24 10:35:57,401 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 10:35:57,402 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:35:57,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 10:35:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2021-10-24 10:35:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 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) [2021-10-24 10:35:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2021-10-24 10:35:57,435 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2021-10-24 10:35:57,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:57,435 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2021-10-24 10:35:57,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-10-24 10:35:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2021-10-24 10:35:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:35:57,437 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:57,437 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] [2021-10-24 10:35:57,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:57,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:57,645 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:57,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1238499427, now seen corresponding path program 1 times [2021-10-24 10:35:57,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:57,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996678996] [2021-10-24 10:35:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:57,647 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:57,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:57,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:57,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:35:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:57,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:57,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:58,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:58,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:58,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996678996] [2021-10-24 10:35:58,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996678996] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:58,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:58,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:35:58,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714337816] [2021-10-24 10:35:58,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:35:58,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:58,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:35:58,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:35:58,098 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:58,197 INFO L93 Difference]: Finished difference Result 211 states and 298 transitions. [2021-10-24 10:35:58,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:35:58,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:35:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:58,210 INFO L225 Difference]: With dead ends: 211 [2021-10-24 10:35:58,210 INFO L226 Difference]: Without dead ends: 137 [2021-10-24 10:35:58,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:35:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-24 10:35:58,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 90. [2021-10-24 10:35:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 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) [2021-10-24 10:35:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 124 transitions. [2021-10-24 10:35:58,241 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 124 transitions. Word has length 33 [2021-10-24 10:35:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:58,241 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 124 transitions. [2021-10-24 10:35:58,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 124 transitions. [2021-10-24 10:35:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-24 10:35:58,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:58,244 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] [2021-10-24 10:35:58,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:58,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:58,456 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:58,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2123004160, now seen corresponding path program 1 times [2021-10-24 10:35:58,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:58,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301138517] [2021-10-24 10:35:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:58,458 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:58,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:58,461 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:35:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:58,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:58,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:58,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:58,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:59,030 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:59,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301138517] [2021-10-24 10:35:59,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301138517] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:59,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:59,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:35:59,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929114872] [2021-10-24 10:35:59,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:35:59,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:59,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:35:59,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:35:59,032 INFO L87 Difference]: Start difference. First operand 90 states and 124 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:59,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:35:59,145 INFO L93 Difference]: Finished difference Result 436 states and 609 transitions. [2021-10-24 10:35:59,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:35:59,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-24 10:35:59,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:35:59,149 INFO L225 Difference]: With dead ends: 436 [2021-10-24 10:35:59,149 INFO L226 Difference]: Without dead ends: 353 [2021-10-24 10:35:59,150 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:35:59,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-10-24 10:35:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 165. [2021-10-24 10:35:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 164 states have internal predecessors, (226), 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) [2021-10-24 10:35:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 226 transitions. [2021-10-24 10:35:59,174 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 226 transitions. Word has length 33 [2021-10-24 10:35:59,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:35:59,176 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 226 transitions. [2021-10-24 10:35:59,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:35:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 226 transitions. [2021-10-24 10:35:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:35:59,180 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:35:59,181 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] [2021-10-24 10:35:59,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:35:59,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:35:59,390 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:35:59,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:35:59,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2127856776, now seen corresponding path program 1 times [2021-10-24 10:35:59,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:35:59,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038410788] [2021-10-24 10:35:59,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:35:59,393 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:35:59,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:35:59,394 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:35:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:35:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:35:59,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:35:59,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:35:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:59,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:35:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:35:59,889 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:35:59,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038410788] [2021-10-24 10:35:59,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038410788] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:35:59,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:35:59,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:35:59,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339116733] [2021-10-24 10:35:59,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:35:59,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:35:59,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:35:59,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:35:59,891 INFO L87 Difference]: Start difference. First operand 165 states and 226 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:00,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:00,119 INFO L93 Difference]: Finished difference Result 628 states and 863 transitions. [2021-10-24 10:36:00,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:36:00,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:36:00,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:00,123 INFO L225 Difference]: With dead ends: 628 [2021-10-24 10:36:00,123 INFO L226 Difference]: Without dead ends: 470 [2021-10-24 10:36:00,124 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:36:00,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-10-24 10:36:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 164. [2021-10-24 10:36:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 163 states have internal predecessors, (223), 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) [2021-10-24 10:36:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2021-10-24 10:36:00,144 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2021-10-24 10:36:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:00,144 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2021-10-24 10:36:00,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2021-10-24 10:36:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:36:00,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:00,146 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] [2021-10-24 10:36:00,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:00,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:00,361 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:00,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1934711389, now seen corresponding path program 1 times [2021-10-24 10:36:00,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:00,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610419151] [2021-10-24 10:36:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:00,362 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:00,363 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:00,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:36:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:00,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:36:00,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:00,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:00,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:00,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610419151] [2021-10-24 10:36:00,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610419151] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:00,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:00,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:36:00,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156386581] [2021-10-24 10:36:00,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:36:00,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:36:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:36:00,798 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:00,887 INFO L93 Difference]: Finished difference Result 431 states and 579 transitions. [2021-10-24 10:36:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:36:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:36:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:00,890 INFO L225 Difference]: With dead ends: 431 [2021-10-24 10:36:00,890 INFO L226 Difference]: Without dead ends: 274 [2021-10-24 10:36:00,891 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:36:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-10-24 10:36:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 176. [2021-10-24 10:36:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 175 states have (on average 1.3428571428571427) internal successors, (235), 175 states have internal predecessors, (235), 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) [2021-10-24 10:36:00,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2021-10-24 10:36:00,912 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2021-10-24 10:36:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:00,913 INFO L470 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2021-10-24 10:36:00,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2021-10-24 10:36:00,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 10:36:00,914 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:00,914 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] [2021-10-24 10:36:00,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:01,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:01,132 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:01,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:01,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1347905375, now seen corresponding path program 1 times [2021-10-24 10:36:01,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:01,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493924750] [2021-10-24 10:36:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:01,133 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:01,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:01,134 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:01,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:36:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:01,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:01,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:01,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:01,629 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:01,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493924750] [2021-10-24 10:36:01,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493924750] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:01,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:01,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:36:01,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134966480] [2021-10-24 10:36:01,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:36:01,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:01,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:36:01,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:01,631 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:01,722 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-24 10:36:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:36:01,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-24 10:36:01,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:01,726 INFO L225 Difference]: With dead ends: 524 [2021-10-24 10:36:01,726 INFO L226 Difference]: Without dead ends: 355 [2021-10-24 10:36:01,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:01,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-24 10:36:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 301. [2021-10-24 10:36:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 1.3266666666666667) internal successors, (398), 300 states have internal predecessors, (398), 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) [2021-10-24 10:36:01,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 398 transitions. [2021-10-24 10:36:01,765 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 398 transitions. Word has length 34 [2021-10-24 10:36:01,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:01,766 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 398 transitions. [2021-10-24 10:36:01,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 398 transitions. [2021-10-24 10:36:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 10:36:01,767 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:01,767 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:36:01,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:01,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:01,979 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:01,980 INFO L82 PathProgramCache]: Analyzing trace with hash -48040801, now seen corresponding path program 1 times [2021-10-24 10:36:01,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:01,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088587909] [2021-10-24 10:36:01,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:01,980 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:01,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:01,981 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:01,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:36:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:02,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:02,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:02,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:02,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:02,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088587909] [2021-10-24 10:36:02,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088587909] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:02,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:02,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:36:02,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261240251] [2021-10-24 10:36:02,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:36:02,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:02,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:36:02,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:36:02,475 INFO L87 Difference]: Start difference. First operand 301 states and 398 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:02,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:02,560 INFO L93 Difference]: Finished difference Result 531 states and 700 transitions. [2021-10-24 10:36:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:36:02,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 10:36:02,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:02,564 INFO L225 Difference]: With dead ends: 531 [2021-10-24 10:36:02,565 INFO L226 Difference]: Without dead ends: 529 [2021-10-24 10:36:02,565 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:36:02,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2021-10-24 10:36:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 386. [2021-10-24 10:36:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3584415584415583) internal successors, (523), 385 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 523 transitions. [2021-10-24 10:36:02,608 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 523 transitions. Word has length 35 [2021-10-24 10:36:02,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:02,609 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 523 transitions. [2021-10-24 10:36:02,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 523 transitions. [2021-10-24 10:36:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-24 10:36:02,611 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:02,611 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-10-24 10:36:02,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:02,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:02,824 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:02,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1372309068, now seen corresponding path program 1 times [2021-10-24 10:36:02,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:02,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996701355] [2021-10-24 10:36:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:02,825 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:02,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:02,826 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:02,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 10:36:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:03,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:36:03,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:03,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:36:03,477 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:03,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996701355] [2021-10-24 10:36:03,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996701355] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:03,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:03,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:36:03,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503899463] [2021-10-24 10:36:03,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:36:03,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:03,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:36:03,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:03,479 INFO L87 Difference]: Start difference. First operand 386 states and 523 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:06,135 INFO L93 Difference]: Finished difference Result 678 states and 931 transitions. [2021-10-24 10:36:06,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:36:06,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-24 10:36:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:06,140 INFO L225 Difference]: With dead ends: 678 [2021-10-24 10:36:06,140 INFO L226 Difference]: Without dead ends: 299 [2021-10-24 10:36:06,141 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:36:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-24 10:36:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2021-10-24 10:36:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.3120805369127517) internal successors, (391), 298 states have internal predecessors, (391), 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) [2021-10-24 10:36:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 391 transitions. [2021-10-24 10:36:06,176 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 391 transitions. Word has length 60 [2021-10-24 10:36:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:06,178 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 391 transitions. [2021-10-24 10:36:06,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:36:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 391 transitions. [2021-10-24 10:36:06,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-24 10:36:06,180 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:36:06,181 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, 1, 1] [2021-10-24 10:36:06,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:06,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:06,395 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:36:06,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:36:06,395 INFO L82 PathProgramCache]: Analyzing trace with hash 777418342, now seen corresponding path program 1 times [2021-10-24 10:36:06,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:36:06,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503797626] [2021-10-24 10:36:06,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:36:06,396 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:36:06,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:36:06,396 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:36:06,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-24 10:36:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:36:06,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:36:06,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:36:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:36:06,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:36:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-24 10:36:07,241 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:36:07,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503797626] [2021-10-24 10:36:07,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503797626] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:36:07,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:36:07,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 10:36:07,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880256581] [2021-10-24 10:36:07,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 10:36:07,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:36:07,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 10:36:07,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 10:36:07,243 INFO L87 Difference]: Start difference. First operand 299 states and 391 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-24 10:36:09,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:36:09,050 INFO L93 Difference]: Finished difference Result 952 states and 1232 transitions. [2021-10-24 10:36:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 10:36:09,051 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 63 [2021-10-24 10:36:09,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:36:09,052 INFO L225 Difference]: With dead ends: 952 [2021-10-24 10:36:09,052 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:36:09,054 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 162.7ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:36:09,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:36:09,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:36:09,054 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) [2021-10-24 10:36:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:36:09,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-24 10:36:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:36:09,055 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:36:09,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2021-10-24 10:36:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:36:09,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:36:09,059 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:09,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:09,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:36:09,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:36:09,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:36:09,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:36:09,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:09,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:09,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:09,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:09,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:10,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:36:15,000 INFO L860 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2021-10-24 10:36:15,000 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-3(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-5(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-6(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-8(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-9(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-11(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,001 INFO L857 garLoopResultBuilder]: For program point L697-12(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-14(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-15(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-17(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-18(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-20(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-21(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-23(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-24(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-26(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-27(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,002 INFO L857 garLoopResultBuilder]: For program point L697-29(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L697-30(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L697-32(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L697-33(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L599-1(lines 599 607) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L697-35(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L599-2(lines 599 607) no Hoare annotation was computed. [2021-10-24 10:36:15,003 INFO L857 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2021-10-24 10:36:15,004 INFO L853 garLoopResultBuilder]: At program point L733(lines 728 735) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:15,004 INFO L853 garLoopResultBuilder]: At program point L965(lines 960 968) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 10:36:15,004 INFO L853 garLoopResultBuilder]: At program point L965-1(lines 960 968) the Hoare annotation is: false [2021-10-24 10:36:15,004 INFO L853 garLoopResultBuilder]: At program point L965-2(lines 960 968) the Hoare annotation is: false [2021-10-24 10:36:15,004 INFO L853 garLoopResultBuilder]: At program point L965-3(lines 960 968) the Hoare annotation is: false [2021-10-24 10:36:15,005 INFO L853 garLoopResultBuilder]: At program point L965-4(lines 960 968) the Hoare annotation is: false [2021-10-24 10:36:15,005 INFO L853 garLoopResultBuilder]: At program point L965-5(lines 960 968) the Hoare annotation is: false [2021-10-24 10:36:15,005 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,005 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,005 INFO L857 garLoopResultBuilder]: For program point L569-2(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,005 INFO L857 garLoopResultBuilder]: For program point L569-3(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,006 INFO L857 garLoopResultBuilder]: For program point L569-4(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,006 INFO L857 garLoopResultBuilder]: For program point L569-5(lines 569 586) no Hoare annotation was computed. [2021-10-24 10:36:15,006 INFO L857 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2021-10-24 10:36:15,006 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:36:15,006 INFO L853 garLoopResultBuilder]: At program point L1000(lines 995 1003) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:15,007 INFO L853 garLoopResultBuilder]: At program point L703(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,007 INFO L853 garLoopResultBuilder]: At program point L703-1(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,007 INFO L853 garLoopResultBuilder]: At program point L703-2(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,007 INFO L853 garLoopResultBuilder]: At program point L703-3(lines 688 706) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) .cse3 .cse2))) [2021-10-24 10:36:15,007 INFO L853 garLoopResultBuilder]: At program point L703-4(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,008 INFO L853 garLoopResultBuilder]: At program point L703-5(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,008 INFO L853 garLoopResultBuilder]: At program point L703-6(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,008 INFO L853 garLoopResultBuilder]: At program point L703-7(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,008 INFO L853 garLoopResultBuilder]: At program point L703-8(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,008 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,009 INFO L853 garLoopResultBuilder]: At program point L703-9(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,009 INFO L853 garLoopResultBuilder]: At program point L703-10(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,009 INFO L853 garLoopResultBuilder]: At program point L703-11(lines 688 706) the Hoare annotation is: false [2021-10-24 10:36:15,009 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2021-10-24 10:36:15,009 INFO L857 garLoopResultBuilder]: For program point L109-2(lines 511 517) no Hoare annotation was computed. [2021-10-24 10:36:15,010 INFO L853 garLoopResultBuilder]: At program point L639(lines 632 642) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 10:36:15,010 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 632 642) the Hoare annotation is: false [2021-10-24 10:36:15,010 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,010 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 632 642) the Hoare annotation is: false [2021-10-24 10:36:15,010 INFO L857 garLoopResultBuilder]: For program point L573-1(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L573-2(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L573-3(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L573-4(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L573-5(lines 573 581) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-10-24 10:36:15,011 INFO L857 garLoopResultBuilder]: For program point L873-3(lines 873 877) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L873-6(lines 873 877) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L543-1(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L543-2(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L543-3(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,012 INFO L857 garLoopResultBuilder]: For program point L543-4(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-5(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-6(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-7(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-8(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-9(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,013 INFO L857 garLoopResultBuilder]: For program point L543-10(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,014 INFO L857 garLoopResultBuilder]: For program point L543-11(lines 543 560) no Hoare annotation was computed. [2021-10-24 10:36:15,014 INFO L853 garLoopResultBuilder]: At program point L511(lines 510 529) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (bvslt ~waterLevel~0 (_ bv2 32)) .cse4 .cse3) (and .cse0 .cse5 .cse2 .cse4 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse6 .cse2 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse6 .cse5 .cse2 .cse4))) [2021-10-24 10:36:15,014 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 511 517) no Hoare annotation was computed. [2021-10-24 10:36:15,014 INFO L853 garLoopResultBuilder]: At program point L511-2(lines 510 529) the Hoare annotation is: false [2021-10-24 10:36:15,015 INFO L853 garLoopResultBuilder]: At program point L511-3(lines 510 529) the Hoare annotation is: false [2021-10-24 10:36:15,015 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-24 10:36:15,015 INFO L853 garLoopResultBuilder]: At program point L83-1(lines 83 89) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)))) [2021-10-24 10:36:15,015 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2021-10-24 10:36:15,015 INFO L853 garLoopResultBuilder]: At program point L744-1(lines 1 1003) the Hoare annotation is: (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse5) (and .cse0 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse7 .cse1 .cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9)))) [2021-10-24 10:36:15,016 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: false [2021-10-24 10:36:15,016 INFO L857 garLoopResultBuilder]: For program point L744-2(lines 744 761) no Hoare annotation was computed. [2021-10-24 10:36:15,016 INFO L853 garLoopResultBuilder]: At program point L744-3(lines 1 1003) the Hoare annotation is: false [2021-10-24 10:36:15,016 INFO L857 garLoopResultBuilder]: For program point L744-4(lines 744 761) no Hoare annotation was computed. [2021-10-24 10:36:15,016 INFO L853 garLoopResultBuilder]: At program point L744-5(lines 1 1003) the Hoare annotation is: false [2021-10-24 10:36:15,017 INFO L853 garLoopResultBuilder]: At program point L910(lines 905 913) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))))) [2021-10-24 10:36:15,017 INFO L853 garLoopResultBuilder]: At program point L910-1(lines 905 913) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse1 .cse5 .cse6 .cse2) (and .cse0 .cse2 .cse3 .cse4 .cse7))) [2021-10-24 10:36:15,017 INFO L853 garLoopResultBuilder]: At program point L910-2(lines 905 913) the Hoare annotation is: false [2021-10-24 10:36:15,017 INFO L853 garLoopResultBuilder]: At program point L910-3(lines 905 913) the Hoare annotation is: false [2021-10-24 10:36:15,017 INFO L857 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2021-10-24 10:36:15,018 INFO L853 garLoopResultBuilder]: At program point L910-4(lines 905 913) the Hoare annotation is: false [2021-10-24 10:36:15,018 INFO L853 garLoopResultBuilder]: At program point L910-5(lines 905 913) the Hoare annotation is: false [2021-10-24 10:36:15,018 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,018 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,018 INFO L857 garLoopResultBuilder]: For program point L547-2(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,018 INFO L857 garLoopResultBuilder]: For program point L547-3(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-4(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-5(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-6(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-7(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-8(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,019 INFO L857 garLoopResultBuilder]: For program point L547-9(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,020 INFO L857 garLoopResultBuilder]: For program point L547-10(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,020 INFO L857 garLoopResultBuilder]: For program point L547-11(lines 547 555) no Hoare annotation was computed. [2021-10-24 10:36:15,020 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:36:15,020 INFO L853 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2021-10-24 10:36:15,020 INFO L853 garLoopResultBuilder]: At program point L648(lines 643 651) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 10:36:15,021 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 643 651) the Hoare annotation is: false [2021-10-24 10:36:15,021 INFO L853 garLoopResultBuilder]: At program point L648-2(lines 643 651) the Hoare annotation is: false [2021-10-24 10:36:15,021 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,021 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,021 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L781-1(lines 511 517) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L748-2(lines 748 758) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L748-4(lines 748 758) no Hoare annotation was computed. [2021-10-24 10:36:15,022 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L749-2(lines 749 755) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L716-3(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L749-4(lines 749 755) no Hoare annotation was computed. [2021-10-24 10:36:15,023 INFO L857 garLoopResultBuilder]: For program point L716-5(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,024 INFO L853 garLoopResultBuilder]: At program point L518(lines 518 524) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse5 .cse1 .cse2) (and .cse0 .cse5 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse2 .cse4))) [2021-10-24 10:36:15,024 INFO L857 garLoopResultBuilder]: For program point L716-6(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,024 INFO L853 garLoopResultBuilder]: At program point L518-1(lines 518 524) the Hoare annotation is: false [2021-10-24 10:36:15,024 INFO L857 garLoopResultBuilder]: For program point L716-8(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,024 INFO L853 garLoopResultBuilder]: At program point L518-2(lines 518 524) the Hoare annotation is: false [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-9(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-11(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-12(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-14(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-15(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,025 INFO L857 garLoopResultBuilder]: For program point L716-17(lines 716 720) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point L950-1(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point L950-3(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,026 INFO L857 garLoopResultBuilder]: For program point L950-4(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-5(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-6(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-7(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-8(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-9(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,027 INFO L857 garLoopResultBuilder]: For program point L950-10(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,028 INFO L857 garLoopResultBuilder]: For program point L950-11(lines 950 956) no Hoare annotation was computed. [2021-10-24 10:36:15,028 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 889) no Hoare annotation was computed. [2021-10-24 10:36:15,028 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2021-10-24 10:36:15,028 INFO L860 garLoopResultBuilder]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2021-10-24 10:36:15,028 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-24 10:36:15,029 INFO L853 garLoopResultBuilder]: At program point L93-1(lines 93 99) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= ~methAndRunningLastTime~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-10-24 10:36:15,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:36:15,029 INFO L853 garLoopResultBuilder]: At program point L722(lines 707 725) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 10:36:15,029 INFO L853 garLoopResultBuilder]: At program point L722-1(lines 707 725) the Hoare annotation is: false [2021-10-24 10:36:15,029 INFO L853 garLoopResultBuilder]: At program point L722-2(lines 707 725) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L722-3(lines 707 725) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L722-4(lines 707 725) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L722-5(lines 707 725) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L955(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L955-1(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,030 INFO L853 garLoopResultBuilder]: At program point L955-2(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,031 INFO L853 garLoopResultBuilder]: At program point L955-3(lines 946 959) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 (= ~methAndRunningLastTime~0 (_ bv0 32)) .cse1 .cse3 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (bvslt ~waterLevel~0 (_ bv2 32)) .cse3 .cse2))) [2021-10-24 10:36:15,031 INFO L853 garLoopResultBuilder]: At program point L955-4(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,031 INFO L853 garLoopResultBuilder]: At program point L955-5(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,031 INFO L853 garLoopResultBuilder]: At program point L955-6(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,031 INFO L853 garLoopResultBuilder]: At program point L955-7(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,032 INFO L853 garLoopResultBuilder]: At program point L955-8(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,032 INFO L853 garLoopResultBuilder]: At program point L955-9(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,032 INFO L853 garLoopResultBuilder]: At program point L955-10(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,032 INFO L853 garLoopResultBuilder]: At program point L955-11(lines 946 959) the Hoare annotation is: false [2021-10-24 10:36:15,032 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:36:15,032 INFO L853 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:15,033 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-24 10:36:15,033 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2021-10-24 10:36:15,033 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 595 612) no Hoare annotation was computed. [2021-10-24 10:36:15,033 INFO L857 garLoopResultBuilder]: For program point L595-2(lines 595 612) no Hoare annotation was computed. [2021-10-24 10:36:15,033 INFO L853 garLoopResultBuilder]: At program point L992(lines 1 1003) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:36:15,038 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:36:15,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:36:15 BoogieIcfgContainer [2021-10-24 10:36:15,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:36:15,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:36:15,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:36:15,075 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:36:15,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:35:54" (3/4) ... [2021-10-24 10:36:15,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:36:15,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:36:15,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:36:15,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:36:15,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:36:15,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:36:15,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:15,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:36:15,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-10-24 10:36:15,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) [2021-10-24 10:36:15,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 10:36:15,202 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) [2021-10-24 10:36:15,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:15,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) [2021-10-24 10:36:15,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 10:36:15,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:15,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:15,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:36:15,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 10:36:15,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 10:36:15,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:36:15,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:36:15,318 INFO L168 Benchmark]: Toolchain (without parser) took 24320.79 ms. Allocated memory was 67.1 MB in the beginning and 125.8 MB in the end (delta: 58.7 MB). Free memory was 45.8 MB in the beginning and 65.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,319 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:36:15,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.92 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 34.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.74 ms. Allocated memory is still 67.1 MB. Free memory was 34.7 MB in the beginning and 29.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,320 INFO L168 Benchmark]: Boogie Preprocessor took 64.01 ms. Allocated memory is still 67.1 MB. Free memory was 29.9 MB in the beginning and 26.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,321 INFO L168 Benchmark]: RCFGBuilder took 2908.80 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 26.2 MB in the beginning and 52.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,321 INFO L168 Benchmark]: TraceAbstraction took 20265.76 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 52.0 MB in the beginning and 81.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,322 INFO L168 Benchmark]: Witness Printer took 241.67 ms. Allocated memory is still 125.8 MB. Free memory was 81.2 MB in the beginning and 65.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:36:15,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 67.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 736.92 ms. Allocated memory is still 67.1 MB. Free memory was 45.6 MB in the beginning and 34.7 MB in the end (delta: 10.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.74 ms. Allocated memory is still 67.1 MB. Free memory was 34.7 MB in the beginning and 29.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.01 ms. Allocated memory is still 67.1 MB. Free memory was 29.9 MB in the beginning and 26.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2908.80 ms. Allocated memory was 67.1 MB in the beginning and 86.0 MB in the end (delta: 18.9 MB). Free memory was 26.2 MB in the beginning and 52.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 20265.76 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 52.0 MB in the beginning and 81.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 67.9 MB. Max. memory is 16.1 GB. * Witness Printer took 241.67 ms. Allocated memory is still 125.8 MB. Free memory was 81.2 MB in the beginning and 65.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 193 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20170.4ms, OverallIterations: 12, TraceHistogramMax: 2, EmptinessCheckTime: 29.1ms, AutomataDifference: 5453.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 5721.4ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1531 SDtfs, 2032 SDslu, 2163 SDs, 0 SdLazy, 292 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4522.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 340.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=10, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 290.2ms AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 297 NumberOfFragments, 797 HoareAnnotationTreeSize, 67 FomulaSimplifications, 324785 FormulaSimplificationTreeSizeReduction, 1598.9ms HoareSimplificationTime, 67 FomulaSimplificationsInter, 71549 FormulaSimplificationTreeSizeReductionInter, 4104.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 236.2ms SsaConstructionTime, 1421.2ms SatisfiabilityAnalysisTime, 2984.8ms InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 1542 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2582 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 84/84 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: 510]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && methAndRunningLastTime == 0bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == tmp) RESULT: Ultimate proved your program to be correct! [2021-10-24 10:36:15,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1251e6b2-2fe3-4ff3-8fa6-932b410dc56c/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...