./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61.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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f ............................................................................................................................................ 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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 f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:05:56,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:05:56,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:05:56,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:05:56,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:05:56,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:05:56,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:05:56,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:05:56,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:05:56,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:05:56,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:05:56,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:05:56,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:05:56,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:05:56,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:05:56,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:05:56,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:05:56,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:05:56,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:05:56,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:05:56,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:05:56,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:05:56,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:05:56,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:05:56,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:05:56,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:05:56,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:05:56,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:05:56,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:05:56,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:05:56,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:05:56,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:05:56,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:05:56,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:05:56,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:05:56,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:05:56,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:05:56,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:05:56,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:05:56,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:05:56,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:05:56,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:05:56,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:05:56,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:05:56,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:05:56,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:05:56,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:05:56,925 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:05:56,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:05:56,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:05:56,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:05:56,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:05:56,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:05:56,927 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:05:56,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:05:56,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:05:56,927 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:05:56,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:05:56,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:05:56,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:05:56,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:05:56,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:05:56,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:05:56,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:05:56,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:05:56,930 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:05:56,931 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:05:56,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:05:56,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:05:56,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:05:56,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:05:56,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:05:56,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:05:56,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:05:56,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:05:56,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:05:56,933 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:05:56,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:05:56,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:05:56,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:05:56,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:05:56,935 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2021-10-24 11:05:57,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:05:57,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:05:57,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:05:57,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:05:57,319 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:05:57,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-10-24 11:05:57,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/ec59af82e/c7cee2d229fe4c3180ad3838e8578fc7/FLAG8d1827e90 [2021-10-24 11:05:58,016 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:05:58,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-10-24 11:05:58,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/ec59af82e/c7cee2d229fe4c3180ad3838e8578fc7/FLAG8d1827e90 [2021-10-24 11:05:58,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/ec59af82e/c7cee2d229fe4c3180ad3838e8578fc7 [2021-10-24 11:05:58,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:05:58,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:05:58,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:58,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:05:58,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:05:58,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:58" (1/1) ... [2021-10-24 11:05:58,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b26c2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:58, skipping insertion in model container [2021-10-24 11:05:58,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:05:58" (1/1) ... [2021-10-24 11:05:58,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:05:58,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:05:58,641 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c[3777,3790] [2021-10-24 11:05:58,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:05:58,750 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 11:05:58,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c105128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:05:58, skipping insertion in model container [2021-10-24 11:05:58,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:05:58,751 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:05:58,754 INFO L168 Benchmark]: Toolchain (without parser) took 422.06 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 43.8 MB in the beginning and 80.7 MB in the end (delta: -36.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:05:58,755 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 81.8 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:05:58,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.38 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 43.5 MB in the beginning and 80.7 MB in the end (delta: -37.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:05:58,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 81.8 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 51.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.38 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 43.5 MB in the beginning and 80.7 MB in the end (delta: -37.2 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: 669]: 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 11:06:01,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:06:01,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:06:01,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:06:01,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:06:01,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:06:01,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:06:01,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:06:01,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:06:01,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:06:01,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:06:01,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:06:01,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:06:01,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:06:01,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:06:01,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:06:01,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:06:01,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:06:01,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:06:01,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:06:01,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:06:01,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:06:01,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:06:01,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:06:01,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:06:01,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:06:01,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:06:01,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:06:01,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:06:01,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:06:01,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:06:01,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:06:01,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:06:01,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:06:01,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:06:01,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:06:01,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:06:01,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:06:01,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:06:01,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:06:01,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:06:01,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 11:06:01,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:06:01,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:06:01,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:06:01,490 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:06:01,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:06:01,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:06:01,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:06:01,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:06:01,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:06:01,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:06:01,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:06:01,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:06:01,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:06:01,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:06:01,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:06:01,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:06:01,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:06:01,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:06:01,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:06:01,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:06:01,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:06:01,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:06:01,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:06:01,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:06:01,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:06:01,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:06:01,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:06:01,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:06:01,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:06:01,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:06:01,498 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:06:01,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:06:01,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:06:01,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:06:01,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:06:01,499 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f250833677b07ed1377ed852c7268af3b652ab26de7f7fe1fca27ae75baf167f [2021-10-24 11:06:01,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:06:01,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:06:01,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:06:01,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:06:01,960 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:06:01,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-10-24 11:06:02,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/9a729381f/87cfc6d761fd49d68884e53e8604c15c/FLAGedbc2cdc4 [2021-10-24 11:06:02,705 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:06:02,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c [2021-10-24 11:06:02,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/9a729381f/87cfc6d761fd49d68884e53e8604c15c/FLAGedbc2cdc4 [2021-10-24 11:06:02,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/data/9a729381f/87cfc6d761fd49d68884e53e8604c15c [2021-10-24 11:06:02,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:06:02,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:06:02,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:02,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:06:02,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:06:02,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:02" (1/1) ... [2021-10-24 11:06:02,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43aba4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:02, skipping insertion in model container [2021-10-24 11:06:02,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:06:02" (1/1) ... [2021-10-24 11:06:02,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:06:03,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:06:03,317 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c[3777,3790] [2021-10-24 11:06:03,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:03,592 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 11:06:03,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:06:03,642 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c[3777,3790] [2021-10-24 11:06:03,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:03,745 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:06:03,783 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_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/sv-benchmarks/c/product-lines/minepump_spec1_product61.cil.c[3777,3790] [2021-10-24 11:06:03,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:06:03,873 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:06:03,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03 WrapperNode [2021-10-24 11:06:03,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:06:03,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:06:03,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:06:03,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:06:03,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:03,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:06:04,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:06:04,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:06:04,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:06:04,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:06:04,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:06:04,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:06:04,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:06:04,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (1/1) ... [2021-10-24 11:06:04,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:06:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:06:04,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:06:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:06:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:06:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 11:06:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:06:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:06:07,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:06:07,352 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2021-10-24 11:06:07,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:07 BoogieIcfgContainer [2021-10-24 11:06:07,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:06:07,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:06:07,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:06:07,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:06:07,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:06:02" (1/3) ... [2021-10-24 11:06:07,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6018b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:06:07, skipping insertion in model container [2021-10-24 11:06:07,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:06:03" (2/3) ... [2021-10-24 11:06:07,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6018b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:06:07, skipping insertion in model container [2021-10-24 11:06:07,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:07" (3/3) ... [2021-10-24 11:06:07,386 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2021-10-24 11:06:07,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:06:07,392 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 11:06:07,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:06:07,511 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 11:06:07,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 11:06:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 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 11:06:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 11:06:07,575 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:07,575 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:07,577 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 11:06:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:07,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2021-10-24 11:06:07,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:07,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153868708] [2021-10-24 11:06:07,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:07,611 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:07,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:07,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 11:06:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:07,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 11:06:07,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:07,953 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 11:06:07,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:08,025 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 11:06:08,026 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:08,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153868708] [2021-10-24 11:06:08,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153868708] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:08,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:08,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 11:06:08,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784961128] [2021-10-24 11:06:08,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 11:06:08,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 11:06:08,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 11:06:08,080 INFO L87 Difference]: Start difference. First operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:08,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:08,159 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2021-10-24 11:06:08,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 11:06:08,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 11:06:08,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:08,181 INFO L225 Difference]: With dead ends: 444 [2021-10-24 11:06:08,182 INFO L226 Difference]: Without dead ends: 221 [2021-10-24 11:06:08,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 11:06:08,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-24 11:06:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-10-24 11:06:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 218 states have (on average 1.4862385321100917) internal successors, (324), 220 states have internal predecessors, (324), 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 11:06:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2021-10-24 11:06:08,268 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2021-10-24 11:06:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:08,269 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2021-10-24 11:06:08,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:08,270 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2021-10-24 11:06:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 11:06:08,273 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:08,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:08,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:08,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:08,487 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 11:06:08,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:08,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2021-10-24 11:06:08,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:08,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038349483] [2021-10-24 11:06:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:08,489 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:08,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:08,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:08,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 11:06:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:08,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:08,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:08,827 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 11:06:08,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:08,901 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 11:06:08,902 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:08,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038349483] [2021-10-24 11:06:08,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038349483] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:08,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:08,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 11:06:08,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226503364] [2021-10-24 11:06:08,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:06:08,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:08,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:06:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:08,914 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:08,951 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2021-10-24 11:06:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:08,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 11:06:08,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:08,954 INFO L225 Difference]: With dead ends: 221 [2021-10-24 11:06:08,955 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 11:06:08,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:08,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 11:06:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 11:06:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 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 11:06:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2021-10-24 11:06:08,969 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2021-10-24 11:06:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:08,970 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2021-10-24 11:06:08,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-10-24 11:06:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 11:06:08,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:08,978 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] [2021-10-24 11:06:08,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:09,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,179 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 11:06:09,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:09,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2021-10-24 11:06:09,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:09,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555689202] [2021-10-24 11:06:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:09,181 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:09,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:09,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 11:06:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:09,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:09,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:09,520 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 11:06:09,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:09,646 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 11:06:09,646 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:09,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555689202] [2021-10-24 11:06:09,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555689202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:09,647 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:09,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:06:09,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099331448] [2021-10-24 11:06:09,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:06:09,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:09,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:06:09,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:09,656 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:09,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:09,673 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2021-10-24 11:06:09,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:09,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 11:06:09,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:09,675 INFO L225 Difference]: With dead ends: 160 [2021-10-24 11:06:09,676 INFO L226 Difference]: Without dead ends: 83 [2021-10-24 11:06:09,677 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:09,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-24 11:06:09,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-24 11:06:09,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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 11:06:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-10-24 11:06:09,704 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2021-10-24 11:06:09,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:09,704 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-10-24 11:06:09,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-10-24 11:06:09,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 11:06:09,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:09,709 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] [2021-10-24 11:06:09,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:09,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,924 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 11:06:09,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:09,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2021-10-24 11:06:09,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:09,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348238642] [2021-10-24 11:06:09,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:09,928 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:09,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:09,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:09,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 11:06:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:10,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:10,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:10,245 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 11:06:10,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:10,337 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 11:06:10,338 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:10,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348238642] [2021-10-24 11:06:10,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348238642] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:10,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:10,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 11:06:10,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39595360] [2021-10-24 11:06:10,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:06:10,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:06:10,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:10,342 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:10,412 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2021-10-24 11:06:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:06:10,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 11:06:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:10,414 INFO L225 Difference]: With dead ends: 166 [2021-10-24 11:06:10,414 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 11:06:10,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:06:10,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 11:06:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-24 11:06:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 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 11:06:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-24 11:06:10,423 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2021-10-24 11:06:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:10,424 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-24 11:06:10,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:10,424 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-24 11:06:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-24 11:06:10,430 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:10,438 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] [2021-10-24 11:06:10,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:10,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:10,657 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 11:06:10,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:10,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2021-10-24 11:06:10,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:10,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058251122] [2021-10-24 11:06:10,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:10,659 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:10,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:10,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 11:06:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:10,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:06:10,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:11,019 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 11:06:11,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:11,133 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 11:06:11,133 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:11,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058251122] [2021-10-24 11:06:11,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058251122] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:11,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:11,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 11:06:11,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122942974] [2021-10-24 11:06:11,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:06:11,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:11,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:06:11,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:06:11,140 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:11,319 INFO L93 Difference]: Finished difference Result 422 states and 606 transitions. [2021-10-24 11:06:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 11:06:11,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-24 11:06:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:11,323 INFO L225 Difference]: With dead ends: 422 [2021-10-24 11:06:11,324 INFO L226 Difference]: Without dead ends: 341 [2021-10-24 11:06:11,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:06:11,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-10-24 11:06:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 162. [2021-10-24 11:06:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.4099378881987579) internal successors, (227), 161 states have internal predecessors, (227), 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 11:06:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2021-10-24 11:06:11,367 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 31 [2021-10-24 11:06:11,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:11,367 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2021-10-24 11:06:11,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2021-10-24 11:06:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-24 11:06:11,369 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:11,369 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] [2021-10-24 11:06:11,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:11,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:11,583 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 11:06:11,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:11,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1227191765, now seen corresponding path program 1 times [2021-10-24 11:06:11,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:11,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777709990] [2021-10-24 11:06:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:11,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:11,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:11,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:11,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 11:06:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:11,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:06:11,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:11,956 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 11:06:11,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:12,083 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 11:06:12,083 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:12,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777709990] [2021-10-24 11:06:12,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777709990] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:12,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:12,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:06:12,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423488523] [2021-10-24 11:06:12,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:06:12,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:06:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:06:12,088 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:12,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:12,301 INFO L93 Difference]: Finished difference Result 470 states and 662 transitions. [2021-10-24 11:06:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 11:06:12,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-24 11:06:12,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:12,305 INFO L225 Difference]: With dead ends: 470 [2021-10-24 11:06:12,305 INFO L226 Difference]: Without dead ends: 468 [2021-10-24 11:06:12,306 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 11:06:12,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2021-10-24 11:06:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2021-10-24 11:06:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.4037267080745341) internal successors, (226), 161 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 11:06:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 226 transitions. [2021-10-24 11:06:12,350 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 226 transitions. Word has length 32 [2021-10-24 11:06:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:12,350 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 226 transitions. [2021-10-24 11:06:12,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2021-10-24 11:06:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 11:06:12,352 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:12,352 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 11:06:12,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:12,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:12,566 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 11:06:12,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:12,567 INFO L82 PathProgramCache]: Analyzing trace with hash -210562761, now seen corresponding path program 1 times [2021-10-24 11:06:12,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:12,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266360953] [2021-10-24 11:06:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:12,570 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:12,572 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:12,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 11:06:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:12,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 11:06:12,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:12,937 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 11:06:12,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:13,028 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 11:06:13,029 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:13,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266360953] [2021-10-24 11:06:13,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266360953] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:13,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:13,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 11:06:13,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927305752] [2021-10-24 11:06:13,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 11:06:13,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:13,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 11:06:13,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 11:06:13,034 INFO L87 Difference]: Start difference. First operand 162 states and 226 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:13,166 INFO L93 Difference]: Finished difference Result 414 states and 572 transitions. [2021-10-24 11:06:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 11:06:13,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 11:06:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:13,170 INFO L225 Difference]: With dead ends: 414 [2021-10-24 11:06:13,170 INFO L226 Difference]: Without dead ends: 258 [2021-10-24 11:06:13,170 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:06:13,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-10-24 11:06:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2021-10-24 11:06:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.3631284916201116) internal successors, (244), 179 states have internal predecessors, (244), 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 11:06:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 244 transitions. [2021-10-24 11:06:13,199 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 244 transitions. Word has length 35 [2021-10-24 11:06:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:13,200 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 244 transitions. [2021-10-24 11:06:13,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2021-10-24 11:06:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 11:06:13,201 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:13,202 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 11:06:13,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:13,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:13,416 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 11:06:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:13,417 INFO L82 PathProgramCache]: Analyzing trace with hash -797368775, now seen corresponding path program 1 times [2021-10-24 11:06:13,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:13,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171917843] [2021-10-24 11:06:13,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:13,418 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:13,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:13,419 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:13,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 11:06:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:13,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 11:06:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:13,789 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 11:06:13,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:13,883 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 11:06:13,884 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:13,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171917843] [2021-10-24 11:06:13,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171917843] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:13,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:13,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 11:06:13,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131742676] [2021-10-24 11:06:13,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 11:06:13,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:13,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 11:06:13,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 11:06:13,887 INFO L87 Difference]: Start difference. First operand 180 states and 244 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:13,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:13,996 INFO L93 Difference]: Finished difference Result 464 states and 622 transitions. [2021-10-24 11:06:13,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 11:06:13,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-24 11:06:13,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:13,998 INFO L225 Difference]: With dead ends: 464 [2021-10-24 11:06:13,998 INFO L226 Difference]: Without dead ends: 290 [2021-10-24 11:06:13,999 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 11:06:14,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-24 11:06:14,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 192. [2021-10-24 11:06:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.3403141361256545) internal successors, (256), 191 states have internal predecessors, (256), 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 11:06:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 256 transitions. [2021-10-24 11:06:14,039 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 256 transitions. Word has length 35 [2021-10-24 11:06:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:14,040 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 256 transitions. [2021-10-24 11:06:14,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:14,040 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2021-10-24 11:06:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-24 11:06:14,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:14,044 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 11:06:14,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:14,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,258 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 11:06:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:14,259 INFO L82 PathProgramCache]: Analyzing trace with hash -2077232453, now seen corresponding path program 1 times [2021-10-24 11:06:14,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:14,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732596290] [2021-10-24 11:06:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:14,260 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:14,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:14,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:14,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 11:06:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:14,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 11:06:14,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:14,708 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 11:06:14,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:14,828 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 11:06:14,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:14,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732596290] [2021-10-24 11:06:14,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732596290] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:14,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:14,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 11:06:14,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520330061] [2021-10-24 11:06:14,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:06:14,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:14,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:06:14,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:14,831 INFO L87 Difference]: Start difference. First operand 192 states and 256 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 11:06:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:14,942 INFO L93 Difference]: Finished difference Result 556 states and 744 transitions. [2021-10-24 11:06:14,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:06:14,943 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 35 [2021-10-24 11:06:14,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:14,946 INFO L225 Difference]: With dead ends: 556 [2021-10-24 11:06:14,946 INFO L226 Difference]: Without dead ends: 370 [2021-10-24 11:06:14,947 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:06:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-24 11:06:14,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 316. [2021-10-24 11:06:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3238095238095238) internal successors, (417), 315 states have internal predecessors, (417), 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 11:06:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 417 transitions. [2021-10-24 11:06:14,983 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 417 transitions. Word has length 35 [2021-10-24 11:06:14,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:14,983 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 417 transitions. [2021-10-24 11:06:14,983 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 11:06:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 417 transitions. [2021-10-24 11:06:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 11:06:14,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:14,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:15,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:15,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:15,202 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 11:06:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:15,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1982601597, now seen corresponding path program 1 times [2021-10-24 11:06:15,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:15,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521161527] [2021-10-24 11:06:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:15,203 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:15,204 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:15,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 11:06:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:15,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:06:15,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:15,681 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 11:06:15,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:15,841 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 11:06:15,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:15,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521161527] [2021-10-24 11:06:15,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521161527] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:15,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:15,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 11:06:15,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635190439] [2021-10-24 11:06:15,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 11:06:15,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:15,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 11:06:15,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:06:15,844 INFO L87 Difference]: Start difference. First operand 316 states and 417 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:17,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:17,937 INFO L93 Difference]: Finished difference Result 1248 states and 1610 transitions. [2021-10-24 11:06:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 11:06:17,938 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 11:06:17,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:17,945 INFO L225 Difference]: With dead ends: 1248 [2021-10-24 11:06:17,946 INFO L226 Difference]: Without dead ends: 938 [2021-10-24 11:06:17,947 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 204.7ms TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-10-24 11:06:17,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2021-10-24 11:06:17,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 316. [2021-10-24 11:06:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 1.3015873015873016) internal successors, (410), 315 states have internal predecessors, (410), 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 11:06:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 410 transitions. [2021-10-24 11:06:17,988 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 410 transitions. Word has length 36 [2021-10-24 11:06:17,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:17,989 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 410 transitions. [2021-10-24 11:06:17,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 11:06:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 410 transitions. [2021-10-24 11:06:17,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-24 11:06:17,990 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:06:17,991 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:06:18,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:18,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:18,209 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 11:06:18,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:06:18,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1601115739, now seen corresponding path program 1 times [2021-10-24 11:06:18,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 11:06:18,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089231840] [2021-10-24 11:06:18,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:06:18,210 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 11:06:18,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 11:06:18,211 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 11:06:18,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-24 11:06:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:06:18,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 11:06:18,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 11:06:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 11:06:18,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 11:06:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-24 11:06:18,942 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 11:06:18,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089231840] [2021-10-24 11:06:18,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089231840] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 11:06:18,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:06:18,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 11:06:18,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015072464] [2021-10-24 11:06:18,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 11:06:18,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 11:06:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 11:06:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 11:06:18,944 INFO L87 Difference]: Start difference. First operand 316 states and 410 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 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 11:06:22,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:06:22,212 INFO L93 Difference]: Finished difference Result 876 states and 1124 transitions. [2021-10-24 11:06:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 11:06:22,212 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-24 11:06:22,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:06:22,213 INFO L225 Difference]: With dead ends: 876 [2021-10-24 11:06:22,213 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:06:22,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 164.8ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-10-24 11:06:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:06:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:06:22,215 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 11:06:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:06:22,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-24 11:06:22,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:06:22,216 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:06:22,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 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 11:06:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:06:22,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:06:22,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:22,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:22,220 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:06:22,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-24 11:06:22,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 11:06:22,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:06:22,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:22,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:23,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:24,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:06:30,944 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,945 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:06:30,945 INFO L857 garLoopResultBuilder]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:06:30,945 INFO L857 garLoopResultBuilder]: For program point L102-6(lines 102 106) no Hoare annotation was computed. [2021-10-24 11:06:30,945 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,945 INFO L857 garLoopResultBuilder]: For program point L565-2(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,946 INFO L857 garLoopResultBuilder]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,946 INFO L857 garLoopResultBuilder]: For program point L565-5(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,946 INFO L857 garLoopResultBuilder]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,946 INFO L857 garLoopResultBuilder]: For program point L565-8(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,946 INFO L857 garLoopResultBuilder]: For program point L565-9(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,947 INFO L857 garLoopResultBuilder]: For program point L565-11(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,947 INFO L857 garLoopResultBuilder]: For program point L565-12(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,947 INFO L857 garLoopResultBuilder]: For program point L565-14(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,947 INFO L857 garLoopResultBuilder]: For program point L565-15(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,947 INFO L857 garLoopResultBuilder]: For program point L565-17(lines 565 569) no Hoare annotation was computed. [2021-10-24 11:06:30,948 INFO L853 garLoopResultBuilder]: At program point L632(lines 585 633) the Hoare annotation is: false [2021-10-24 11:06:30,949 INFO L853 garLoopResultBuilder]: At program point L571(lines 556 574) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 11:06:30,950 INFO L853 garLoopResultBuilder]: At program point L571-1(lines 556 574) the Hoare annotation is: false [2021-10-24 11:06:30,950 INFO L853 garLoopResultBuilder]: At program point L571-2(lines 556 574) the Hoare annotation is: false [2021-10-24 11:06:30,950 INFO L853 garLoopResultBuilder]: At program point L571-3(lines 556 574) the Hoare annotation is: false [2021-10-24 11:06:30,950 INFO L853 garLoopResultBuilder]: At program point L571-4(lines 556 574) the Hoare annotation is: false [2021-10-24 11:06:30,951 INFO L853 garLoopResultBuilder]: At program point L571-5(lines 556 574) the Hoare annotation is: false [2021-10-24 11:06:30,951 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-6(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,952 INFO L857 garLoopResultBuilder]: For program point L375-7(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L375-8(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L375-9(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L375-10(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L375-11(lines 375 392) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,953 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-3(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-4(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-5(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-6(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,954 INFO L857 garLoopResultBuilder]: For program point L179-7(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L179-8(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L179-9(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L179-10(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L179-11(lines 179 185) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-24 11:06:30,955 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,956 INFO L857 garLoopResultBuilder]: For program point L379-6(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,957 INFO L853 garLoopResultBuilder]: At program point L247-2(lines 247 261) the Hoare annotation is: false [2021-10-24 11:06:30,957 INFO L857 garLoopResultBuilder]: For program point L379-7(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,957 INFO L857 garLoopResultBuilder]: For program point L379-8(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,957 INFO L857 garLoopResultBuilder]: For program point L379-9(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,957 INFO L857 garLoopResultBuilder]: For program point L379-10(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,957 INFO L857 garLoopResultBuilder]: For program point L379-11(lines 379 387) no Hoare annotation was computed. [2021-10-24 11:06:30,958 INFO L857 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2021-10-24 11:06:30,958 INFO L853 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,958 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 175 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,958 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,958 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 175 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-24 11:06:30,958 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,959 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,959 INFO L853 garLoopResultBuilder]: At program point L184-6(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L853 garLoopResultBuilder]: At program point L184-7(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L853 garLoopResultBuilder]: At program point L184-8(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L853 garLoopResultBuilder]: At program point L184-9(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L853 garLoopResultBuilder]: At program point L184-10(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L853 garLoopResultBuilder]: At program point L184-11(lines 175 188) the Hoare annotation is: false [2021-10-24 11:06:30,960 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-24 11:06:30,961 INFO L857 garLoopResultBuilder]: For program point L251-1(lines 343 349) no Hoare annotation was computed. [2021-10-24 11:06:30,961 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 327) no Hoare annotation was computed. [2021-10-24 11:06:30,961 INFO L860 garLoopResultBuilder]: At program point L320-1(lines 320 327) the Hoare annotation is: true [2021-10-24 11:06:30,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:06:30,963 INFO L857 garLoopResultBuilder]: For program point L587(lines 586 631) no Hoare annotation was computed. [2021-10-24 11:06:30,963 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 592) no Hoare annotation was computed. [2021-10-24 11:06:30,964 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-24 11:06:30,964 INFO L853 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32))) [2021-10-24 11:06:30,965 INFO L853 garLoopResultBuilder]: At program point L194-1(lines 189 197) the Hoare annotation is: false [2021-10-24 11:06:30,965 INFO L853 garLoopResultBuilder]: At program point L194-2(lines 189 197) the Hoare annotation is: false [2021-10-24 11:06:30,965 INFO L853 garLoopResultBuilder]: At program point L194-3(lines 189 197) the Hoare annotation is: false [2021-10-24 11:06:30,965 INFO L853 garLoopResultBuilder]: At program point L194-4(lines 189 197) the Hoare annotation is: false [2021-10-24 11:06:30,965 INFO L853 garLoopResultBuilder]: At program point L194-5(lines 189 197) the Hoare annotation is: false [2021-10-24 11:06:30,965 INFO L860 garLoopResultBuilder]: At program point L329(lines 310 332) the Hoare annotation is: true [2021-10-24 11:06:30,966 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 11:06:30,966 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,966 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,966 INFO L857 garLoopResultBuilder]: For program point L463-2(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,966 INFO L857 garLoopResultBuilder]: For program point L463-4(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-6(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-8(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-10(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-12(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-14(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-16(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,967 INFO L857 garLoopResultBuilder]: For program point L463-18(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,968 INFO L857 garLoopResultBuilder]: For program point L463-20(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,968 INFO L857 garLoopResultBuilder]: For program point L463-22(lines 463 469) no Hoare annotation was computed. [2021-10-24 11:06:30,968 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 602) no Hoare annotation was computed. [2021-10-24 11:06:30,968 INFO L853 garLoopResultBuilder]: At program point L596-1(lines 596 602) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))))) [2021-10-24 11:06:30,968 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L401-3(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L401-5(lines 401 418) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,969 INFO L857 garLoopResultBuilder]: For program point L203-1(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,970 INFO L857 garLoopResultBuilder]: For program point L203-2(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,970 INFO L853 garLoopResultBuilder]: At program point L139(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-24 11:06:30,971 INFO L853 garLoopResultBuilder]: At program point L139-1(lines 134 142) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,971 INFO L853 garLoopResultBuilder]: At program point L139-2(lines 134 142) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,972 INFO L853 garLoopResultBuilder]: At program point L139-3(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,972 INFO L853 garLoopResultBuilder]: At program point L139-4(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-24 11:06:30,972 INFO L853 garLoopResultBuilder]: At program point L139-5(lines 134 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-24 11:06:30,972 INFO L853 garLoopResultBuilder]: At program point L139-6(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,972 INFO L853 garLoopResultBuilder]: At program point L139-7(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-8(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-9(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-10(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-11(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-12(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,973 INFO L853 garLoopResultBuilder]: At program point L139-13(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,974 INFO L853 garLoopResultBuilder]: At program point L139-14(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,974 INFO L853 garLoopResultBuilder]: At program point L139-15(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,974 INFO L853 garLoopResultBuilder]: At program point L139-16(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,974 INFO L853 garLoopResultBuilder]: At program point L139-17(lines 134 142) the Hoare annotation is: false [2021-10-24 11:06:30,974 INFO L857 garLoopResultBuilder]: For program point L405(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,974 INFO L857 garLoopResultBuilder]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,975 INFO L857 garLoopResultBuilder]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,975 INFO L857 garLoopResultBuilder]: For program point L405-3(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,975 INFO L857 garLoopResultBuilder]: For program point L405-4(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,975 INFO L857 garLoopResultBuilder]: For program point L405-5(lines 405 413) no Hoare annotation was computed. [2021-10-24 11:06:30,975 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1005) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2021-10-24 11:06:30,976 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2021-10-24 11:06:30,976 INFO L853 garLoopResultBuilder]: At program point L606-1(lines 606 612) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-24 11:06:30,976 INFO L853 garLoopResultBuilder]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-10-24 11:06:30,976 INFO L857 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2021-10-24 11:06:30,976 INFO L853 garLoopResultBuilder]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2021-10-24 11:06:30,976 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2021-10-24 11:06:30,977 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,977 INFO L857 garLoopResultBuilder]: For program point L546(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,977 INFO L857 garLoopResultBuilder]: For program point L546-2(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,977 INFO L857 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,977 INFO L857 garLoopResultBuilder]: For program point L546-5(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,977 INFO L857 garLoopResultBuilder]: For program point L546-6(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-8(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-9(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-11(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-12(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-14(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-15(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,978 INFO L857 garLoopResultBuilder]: For program point L546-17(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-18(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-20(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-21(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-23(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-24(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,979 INFO L857 garLoopResultBuilder]: For program point L546-26(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,980 INFO L857 garLoopResultBuilder]: For program point L546-27(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L546-29(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L546-30(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L546-32(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L546-33(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L546-35(lines 546 550) no Hoare annotation was computed. [2021-10-24 11:06:30,981 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2021-10-24 11:06:30,982 INFO L853 garLoopResultBuilder]: At program point L217-1(lines 1 1005) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))))) [2021-10-24 11:06:30,982 INFO L857 garLoopResultBuilder]: For program point L217-2(lines 217 230) no Hoare annotation was computed. [2021-10-24 11:06:30,982 INFO L853 garLoopResultBuilder]: At program point L217-3(lines 1 1005) the Hoare annotation is: false [2021-10-24 11:06:30,982 INFO L857 garLoopResultBuilder]: For program point L217-4(lines 217 230) no Hoare annotation was computed. [2021-10-24 11:06:30,982 INFO L853 garLoopResultBuilder]: At program point L217-5(lines 1 1005) the Hoare annotation is: false [2021-10-24 11:06:30,982 INFO L853 garLoopResultBuilder]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2))) [2021-10-24 11:06:30,983 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:06:30,983 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2021-10-24 11:06:30,983 INFO L853 garLoopResultBuilder]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2021-10-24 11:06:30,983 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 627) no Hoare annotation was computed. [2021-10-24 11:06:30,983 INFO L857 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2021-10-24 11:06:30,983 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 221 227) no Hoare annotation was computed. [2021-10-24 11:06:30,984 INFO L857 garLoopResultBuilder]: For program point L221-4(lines 221 227) no Hoare annotation was computed. [2021-10-24 11:06:30,984 INFO L853 garLoopResultBuilder]: At program point L552(lines 537 555) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,984 INFO L853 garLoopResultBuilder]: At program point L552-1(lines 537 555) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,984 INFO L853 garLoopResultBuilder]: At program point L552-2(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,984 INFO L853 garLoopResultBuilder]: At program point L552-3(lines 537 555) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse2))) [2021-10-24 11:06:30,984 INFO L853 garLoopResultBuilder]: At program point L552-4(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-5(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-6(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-7(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-8(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-9(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,985 INFO L853 garLoopResultBuilder]: At program point L552-10(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,986 INFO L853 garLoopResultBuilder]: At program point L552-11(lines 537 555) the Hoare annotation is: false [2021-10-24 11:06:30,986 INFO L853 garLoopResultBuilder]: At program point L488(lines 481 491) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1))) [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-1(lines 481 491) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-2(lines 481 491) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-3(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-4(lines 481 491) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse1 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse2))) [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-5(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,987 INFO L853 garLoopResultBuilder]: At program point L488-6(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,988 INFO L853 garLoopResultBuilder]: At program point L488-7(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,988 INFO L853 garLoopResultBuilder]: At program point L488-8(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,988 INFO L853 garLoopResultBuilder]: At program point L488-9(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,988 INFO L853 garLoopResultBuilder]: At program point L488-10(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,988 INFO L853 garLoopResultBuilder]: At program point L488-11(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,989 INFO L853 garLoopResultBuilder]: At program point L488-12(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,989 INFO L853 garLoopResultBuilder]: At program point L488-13(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,989 INFO L853 garLoopResultBuilder]: At program point L488-14(lines 481 491) the Hoare annotation is: false [2021-10-24 11:06:30,989 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 626) no Hoare annotation was computed. [2021-10-24 11:06:30,989 INFO L857 garLoopResultBuilder]: For program point L622-2(lines 343 349) no Hoare annotation was computed. [2021-10-24 11:06:30,989 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 11:06:30,989 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 444) no Hoare annotation was computed. [2021-10-24 11:06:30,990 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 427 444) no Hoare annotation was computed. [2021-10-24 11:06:30,990 INFO L857 garLoopResultBuilder]: For program point L427-2(lines 427 444) no Hoare annotation was computed. [2021-10-24 11:06:30,990 INFO L853 garLoopResultBuilder]: At program point L296(lines 292 298) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,990 INFO L853 garLoopResultBuilder]: At program point L497(lines 492 500) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 11:06:30,990 INFO L853 garLoopResultBuilder]: At program point L497-1(lines 492 500) the Hoare annotation is: false [2021-10-24 11:06:30,990 INFO L857 garLoopResultBuilder]: For program point L431(lines 431 439) no Hoare annotation was computed. [2021-10-24 11:06:30,991 INFO L853 garLoopResultBuilder]: At program point L497-2(lines 492 500) the Hoare annotation is: false [2021-10-24 11:06:30,991 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 431 439) no Hoare annotation was computed. [2021-10-24 11:06:30,991 INFO L857 garLoopResultBuilder]: For program point L431-2(lines 431 439) no Hoare annotation was computed. [2021-10-24 11:06:31,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:06:31,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:06:31 BoogieIcfgContainer [2021-10-24 11:06:31,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:06:31,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:06:31,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:06:31,056 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:06:31,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:06:07" (3/4) ... [2021-10-24 11:06:31,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:06:31,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 11:06:31,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 11:06:31,100 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 11:06:31,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 11:06:31,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:06:31,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:31,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:06:31,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-24 11:06:31,130 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-10-24 11:06:31,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 11:06:31,132 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:31,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 11:06:31,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-10-24 11:06:31,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 11:06:31,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 [2021-10-24 11:06:31,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:31,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 11:06:31,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 11:06:31,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:06:31,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:06:31,240 INFO L168 Benchmark]: Toolchain (without parser) took 28275.44 ms. Allocated memory was 58.7 MB in the beginning and 134.2 MB in the end (delta: 75.5 MB). Free memory was 35.9 MB in the beginning and 94.6 MB in the end (delta: -58.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,240 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:06:31,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 908.79 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 41.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.67 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 53.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,242 INFO L168 Benchmark]: Boogie Preprocessor took 142.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 49.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,242 INFO L168 Benchmark]: RCFGBuilder took 3186.66 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 49.4 MB in the beginning and 62.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,242 INFO L168 Benchmark]: TraceAbstraction took 23690.22 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 62.4 MB in the beginning and 36.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,243 INFO L168 Benchmark]: Witness Printer took 182.95 ms. Allocated memory is still 134.2 MB. Free memory was 36.5 MB in the beginning and 94.6 MB in the end (delta: -58.1 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:06:31,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 58.7 MB. Free memory was 39.9 MB in the beginning and 39.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 908.79 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.7 MB in the beginning and 41.8 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.67 ms. Allocated memory is still 73.4 MB. Free memory was 41.6 MB in the beginning and 53.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.21 ms. Allocated memory is still 73.4 MB. Free memory was 53.5 MB in the beginning and 49.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3186.66 ms. Allocated memory was 73.4 MB in the beginning and 92.3 MB in the end (delta: 18.9 MB). Free memory was 49.4 MB in the beginning and 62.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23690.22 ms. Allocated memory was 92.3 MB in the beginning and 134.2 MB in the end (delta: 41.9 MB). Free memory was 62.4 MB in the beginning and 36.5 MB in the end (delta: 25.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Witness Printer took 182.95 ms. Allocated memory is still 134.2 MB. Free memory was 36.5 MB in the beginning and 94.6 MB in the end (delta: -58.1 MB). Peak memory consumption was 6.9 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: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: 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, 225 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 23510.3ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 56.4ms, AutomataDifference: 6433.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8510.2ms, InitialAbstractionConstructionTime: 30.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1798 SDtfs, 2513 SDslu, 3787 SDs, 0 SdLazy, 531 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5091.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 714 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 568.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=9, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 341.5ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1339 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 288 NumberOfFragments, 660 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1484380 FormulaSimplificationTreeSizeReduction, 2485.6ms HoareSimplificationTime, 90 FomulaSimplificationsInter, 320647 FormulaSimplificationTreeSizeReductionInter, 6002.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 250.6ms SsaConstructionTime, 1293.1ms SatisfiabilityAnalysisTime, 2739.0ms InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2324 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) || ((splverifierCounter == 0bv32 && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) RESULT: Ultimate proved your program to be correct! [2021-10-24 11:06:31,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b1a1f48-fd17-4b63-96bb-ff01fab110b7/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...