./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 ............................................................................................................................................ 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:51:05,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:51:05,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:51:05,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:51:05,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:51:05,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:51:05,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:51:05,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:51:05,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:51:05,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:51:05,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:51:05,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:51:05,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:51:05,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:51:05,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:51:05,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:51:05,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:51:05,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:51:05,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:51:05,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:51:05,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:51:05,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:51:05,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:51:05,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:51:05,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:51:05,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:51:05,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:51:05,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:51:05,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:51:05,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:51:05,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:51:05,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:51:05,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:51:05,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:51:05,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:51:05,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:51:05,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:51:05,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:51:05,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:51:05,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:51:05,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:51:05,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:51:05,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:51:05,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:51:05,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:51:05,832 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:51:05,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:51:05,833 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:51:05,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:51:05,834 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:51:05,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:51:05,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:51:05,835 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:51:05,836 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:51:05,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:51:05,837 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:51:05,837 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:51:05,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:51:05,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:51:05,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:51:05,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:51:05,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:51:05,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:51:05,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:51:05,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:51:05,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:51:05,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:51:05,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:51:05,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:51:05,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:51:05,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:51:05,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:51:05,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:05,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:51:05,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:51:05,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:51:05,844 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:51:05,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:51:05,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:51:05,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:51:05,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:51:05,845 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-10-29 05:51:06,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:51:06,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:51:06,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:51:06,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:51:06,320 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:51:06,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-29 05:51:06,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/0df0e313b/b7c5c14c31bd43ff8ee5f0581ed3aaeb/FLAGa6f183364 [2021-10-29 05:51:07,161 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:51:07,170 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-29 05:51:07,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/0df0e313b/b7c5c14c31bd43ff8ee5f0581ed3aaeb/FLAGa6f183364 [2021-10-29 05:51:07,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/0df0e313b/b7c5c14c31bd43ff8ee5f0581ed3aaeb [2021-10-29 05:51:07,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:51:07,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:51:07,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:07,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:51:07,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:51:07,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:07" (1/1) ... [2021-10-29 05:51:07,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c00c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:07, skipping insertion in model container [2021-10-29 05:51:07,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:07" (1/1) ... [2021-10-29 05:51:07,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:51:07,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:07,719 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-29 05:51:07,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:07,973 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-29 05:51:07,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21a59a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:07, skipping insertion in model container [2021-10-29 05:51:07,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:07,975 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 05:51:07,978 INFO L168 Benchmark]: Toolchain (without parser) took 596.91 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 58.8 MB in the beginning and 106.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:07,980 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:51:07,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.61 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 58.8 MB in the beginning and 106.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:07,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 593.61 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 58.8 MB in the beginning and 106.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 574]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:51:10,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:51:10,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:51:10,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:51:10,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:51:10,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:51:10,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:51:10,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:51:10,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:51:10,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:51:10,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:51:10,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:51:10,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:51:10,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:51:10,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:51:10,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:51:10,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:51:10,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:51:10,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:51:10,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:51:10,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:51:10,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:51:10,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:51:10,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:51:10,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:51:10,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:51:11,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:51:11,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:51:11,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:51:11,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:51:11,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:51:11,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:51:11,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:51:11,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:51:11,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:51:11,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:51:11,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:51:11,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:51:11,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:51:11,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:51:11,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:51:11,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:51:11,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:51:11,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:51:11,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:51:11,083 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:51:11,083 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:51:11,083 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:51:11,083 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:51:11,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:51:11,085 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:51:11,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:51:11,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:51:11,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:51:11,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:51:11,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:51:11,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:51:11,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:51:11,089 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:51:11,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:51:11,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:51:11,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:51:11,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:51:11,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:51:11,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:51:11,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:51:11,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:51:11,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:51:11,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:11,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:51:11,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:51:11,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:51:11,093 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:51:11,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:51:11,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:51:11,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:51:11,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:51:11,095 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5340faf3ec1f0e0bc66d280fc3b45c510e704ff1d108d74101ee8606e665888 [2021-10-29 05:51:11,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:51:11,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:51:11,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:51:11,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:51:11,518 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:51:11,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-29 05:51:11,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/3a069b082/4f390b03cc454069b998c278d3f690ab/FLAG409168819 [2021-10-29 05:51:12,342 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:51:12,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-10-29 05:51:12,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/3a069b082/4f390b03cc454069b998c278d3f690ab/FLAG409168819 [2021-10-29 05:51:12,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/data/3a069b082/4f390b03cc454069b998c278d3f690ab [2021-10-29 05:51:12,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:51:12,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:51:12,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:12,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:51:12,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:51:12,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:12" (1/1) ... [2021-10-29 05:51:12,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb56f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:12, skipping insertion in model container [2021-10-29 05:51:12,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:51:12" (1/1) ... [2021-10-29 05:51:12,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:51:12,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:12,852 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-29 05:51:13,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:13,115 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 05:51:13,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:51:13,140 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-29 05:51:13,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:13,239 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:51:13,266 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_6a46153f-1362-4700-9b32-900fe1a2dc9d/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c[1605,1618] [2021-10-29 05:51:13,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:51:13,393 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:51:13,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13 WrapperNode [2021-10-29 05:51:13,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:51:13,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:51:13,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:51:13,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:51:13,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:51:13,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:51:13,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:51:13,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:51:13,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:51:13,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:51:13,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:51:13,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:51:13,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (1/1) ... [2021-10-29 05:51:13,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:51:13,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:51:13,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:51:13,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:51:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:51:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:51:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:51:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:51:16,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:51:16,904 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2021-10-29 05:51:16,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:51:16 BoogieIcfgContainer [2021-10-29 05:51:16,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:51:16,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:51:16,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:51:16,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:51:16,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:51:12" (1/3) ... [2021-10-29 05:51:16,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:51:16, skipping insertion in model container [2021-10-29 05:51:16,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:51:13" (2/3) ... [2021-10-29 05:51:16,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbb500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:51:16, skipping insertion in model container [2021-10-29 05:51:16,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:51:16" (3/3) ... [2021-10-29 05:51:16,917 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2021-10-29 05:51:16,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:51:16,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:51:17,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:51:17,020 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:51:17,021 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 05:51:17,052 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) [2021-10-29 05:51:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:51:17,074 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:17,075 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:17,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2021-10-29 05:51:17,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:17,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955286837] [2021-10-29 05:51:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:17,099 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:17,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:17,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:17,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:51:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:17,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:51:17,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:17,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:17,585 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:17,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955286837] [2021-10-29 05:51:17,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955286837] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:17,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:17,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:51:17,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053667434] [2021-10-29 05:51:17,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:51:17,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:17,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:51:17,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:51:17,618 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) [2021-10-29 05:51:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:17,697 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2021-10-29 05:51:17,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:51:17,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-29 05:51:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:17,723 INFO L225 Difference]: With dead ends: 444 [2021-10-29 05:51:17,723 INFO L226 Difference]: Without dead ends: 221 [2021-10-29 05:51:17,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:51:17,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-10-29 05:51:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-10-29 05:51:17,814 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) [2021-10-29 05:51:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2021-10-29 05:51:17,819 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2021-10-29 05:51:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:17,820 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2021-10-29 05:51:17,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2021-10-29 05:51:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 05:51:17,822 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:17,822 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:17,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-29 05:51:18,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:18,042 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:18,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:18,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2021-10-29 05:51:18,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:18,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245562671] [2021-10-29 05:51:18,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:18,045 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:18,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:18,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:18,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:51:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:18,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:51:18,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:18,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:18,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:18,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245562671] [2021-10-29 05:51:18,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245562671] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:18,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:18,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-29 05:51:18,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583054891] [2021-10-29 05:51:18,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:51:18,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:18,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:51:18,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:51:18,432 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) [2021-10-29 05:51:18,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:18,473 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2021-10-29 05:51:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:51:18,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-29 05:51:18,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:18,482 INFO L225 Difference]: With dead ends: 221 [2021-10-29 05:51:18,482 INFO L226 Difference]: Without dead ends: 83 [2021-10-29 05:51:18,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:51:18,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-29 05:51:18,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-29 05:51:18,502 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) [2021-10-29 05:51:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2021-10-29 05:51:18,503 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2021-10-29 05:51:18,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:18,503 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2021-10-29 05:51:18,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-10-29 05:51:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:51:18,505 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:18,505 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:18,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:18,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:18,718 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:18,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:18,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2021-10-29 05:51:18,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:18,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108272121] [2021-10-29 05:51:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:18,720 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:18,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:18,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:18,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-29 05:51:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:18,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:51:18,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:19,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:19,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:19,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108272121] [2021-10-29 05:51:19,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108272121] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:19,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:19,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-29 05:51:19,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56122765] [2021-10-29 05:51:19,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:51:19,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:51:19,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:51:19,179 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) [2021-10-29 05:51:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:19,194 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2021-10-29 05:51:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:51:19,196 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 [2021-10-29 05:51:19,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:19,197 INFO L225 Difference]: With dead ends: 160 [2021-10-29 05:51:19,197 INFO L226 Difference]: Without dead ends: 83 [2021-10-29 05:51:19,198 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:51:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-29 05:51:19,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-29 05:51:19,205 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) [2021-10-29 05:51:19,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-10-29 05:51:19,206 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2021-10-29 05:51:19,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:19,207 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-10-29 05:51:19,207 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) [2021-10-29 05:51:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-10-29 05:51:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 05:51:19,209 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:19,209 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:19,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:19,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:19,425 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:19,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2021-10-29 05:51:19,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:19,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659708870] [2021-10-29 05:51:19,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:19,427 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:19,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:19,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:19,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-29 05:51:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:19,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-29 05:51:19,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:19,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:19,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:19,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659708870] [2021-10-29 05:51:19,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659708870] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:19,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:19,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-29 05:51:19,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878813899] [2021-10-29 05:51:19,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:51:19,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:19,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:51:19,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:51:19,815 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) [2021-10-29 05:51:19,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:19,890 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2021-10-29 05:51:19,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:51:19,891 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 [2021-10-29 05:51:19,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:19,892 INFO L225 Difference]: With dead ends: 166 [2021-10-29 05:51:19,892 INFO L226 Difference]: Without dead ends: 89 [2021-10-29 05:51:19,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:51:19,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-29 05:51:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-29 05:51:19,901 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) [2021-10-29 05:51:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-29 05:51:19,902 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2021-10-29 05:51:19,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:19,903 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-29 05:51:19,903 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) [2021-10-29 05:51:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-29 05:51:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 05:51:19,905 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:19,905 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:19,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:20,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:20,121 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:20,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2021-10-29 05:51:20,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:20,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587780305] [2021-10-29 05:51:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:20,123 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:20,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:20,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-29 05:51:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:20,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:51:20,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:20,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:51:20,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:20,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587780305] [2021-10-29 05:51:20,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587780305] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:20,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:20,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-29 05:51:20,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945267960] [2021-10-29 05:51:20,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:51:20,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:20,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:51:20,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:51:20,754 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:21,349 INFO L93 Difference]: Finished difference Result 673 states and 969 transitions. [2021-10-29 05:51:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-29 05:51:21,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-29 05:51:21,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:21,356 INFO L225 Difference]: With dead ends: 673 [2021-10-29 05:51:21,356 INFO L226 Difference]: Without dead ends: 592 [2021-10-29 05:51:21,358 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-29 05:51:21,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-29 05:51:21,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-10-29 05:51:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2021-10-29 05:51:21,407 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2021-10-29 05:51:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:21,407 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2021-10-29 05:51:21,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2021-10-29 05:51:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 05:51:21,419 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:21,420 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:21,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:21,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:21,636 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:21,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2021-10-29 05:51:21,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:21,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986846438] [2021-10-29 05:51:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:21,638 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:21,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:21,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-29 05:51:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:21,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:51:21,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:51:22,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:51:22,289 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:22,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986846438] [2021-10-29 05:51:22,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986846438] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:22,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:22,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:51:22,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015479555] [2021-10-29 05:51:22,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:51:22,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:51:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:51:22,293 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:22,456 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2021-10-29 05:51:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:51:22,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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 52 [2021-10-29 05:51:22,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:22,460 INFO L225 Difference]: With dead ends: 540 [2021-10-29 05:51:22,460 INFO L226 Difference]: Without dead ends: 342 [2021-10-29 05:51:22,461 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:51:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-29 05:51:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2021-10-29 05:51:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3571428571428572) internal successors, (304), 224 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2021-10-29 05:51:22,498 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2021-10-29 05:51:22,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:22,501 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2021-10-29 05:51:22,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2021-10-29 05:51:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 05:51:22,503 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:22,504 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:22,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:22,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:22,723 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:22,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:22,723 INFO L85 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2021-10-29 05:51:22,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:22,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488950818] [2021-10-29 05:51:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:22,725 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:22,726 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:22,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-29 05:51:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:23,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-29 05:51:23,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:51:23,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 05:51:23,440 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:23,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488950818] [2021-10-29 05:51:23,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488950818] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:23,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:23,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-29 05:51:23,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167605708] [2021-10-29 05:51:23,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:51:23,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:23,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:51:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:51:23,444 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:23,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:23,567 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2021-10-29 05:51:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:51:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 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 52 [2021-10-29 05:51:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:23,570 INFO L225 Difference]: With dead ends: 506 [2021-10-29 05:51:23,571 INFO L226 Difference]: Without dead ends: 287 [2021-10-29 05:51:23,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-29 05:51:23,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-10-29 05:51:23,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2021-10-29 05:51:23,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:23,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2021-10-29 05:51:23,600 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2021-10-29 05:51:23,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:23,601 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2021-10-29 05:51:23,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2021-10-29 05:51:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 05:51:23,602 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:23,603 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:23,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:23,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:23,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2021-10-29 05:51:23,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:23,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012136087] [2021-10-29 05:51:23,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:23,821 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:23,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:23,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:23,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-29 05:51:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:24,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:51:24,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:51:24,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:51:24,731 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:24,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012136087] [2021-10-29 05:51:24,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012136087] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:24,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:24,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-29 05:51:24,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979076053] [2021-10-29 05:51:24,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:51:24,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:24,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:51:24,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:51:24,735 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:25,025 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2021-10-29 05:51:25,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-29 05:51:25,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-29 05:51:25,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:25,031 INFO L225 Difference]: With dead ends: 871 [2021-10-29 05:51:25,032 INFO L226 Difference]: Without dead ends: 686 [2021-10-29 05:51:25,033 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:51:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-10-29 05:51:25,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2021-10-29 05:51:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3136729222520107) internal successors, (490), 373 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2021-10-29 05:51:25,097 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2021-10-29 05:51:25,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:25,097 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2021-10-29 05:51:25,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2021-10-29 05:51:25,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 05:51:25,099 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:25,100 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:25,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:25,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:25,315 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:25,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:25,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2021-10-29 05:51:25,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:25,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621291473] [2021-10-29 05:51:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:25,317 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:25,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:25,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:25,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-29 05:51:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:25,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:51:25,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:25,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:26,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:26,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621291473] [2021-10-29 05:51:26,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621291473] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:51:26,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [736407390] [2021-10-29 05:51:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:26,265 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:51:26,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:51:26,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:51:26,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-29 05:51:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:26,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:51:26,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:26,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:51:26,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 05:51:27,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [736407390] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:27,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-29 05:51:27,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-10-29 05:51:27,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638045721] [2021-10-29 05:51:27,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:51:27,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:27,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:51:27,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:51:27,127 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:27,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:27,506 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2021-10-29 05:51:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 05:51:27,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-29 05:51:27,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:27,515 INFO L225 Difference]: With dead ends: 1022 [2021-10-29 05:51:27,515 INFO L226 Difference]: Without dead ends: 1020 [2021-10-29 05:51:27,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-29 05:51:27,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-10-29 05:51:27,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2021-10-29 05:51:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3083109919571045) internal successors, (488), 373 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2021-10-29 05:51:27,602 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2021-10-29 05:51:27,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:27,603 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2021-10-29 05:51:27,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2021-10-29 05:51:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-29 05:51:27,605 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:27,606 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:27,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:27,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:28,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt [2021-10-29 05:51:28,022 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:28,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2021-10-29 05:51:28,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:28,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298445436] [2021-10-29 05:51:28,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:28,024 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:28,025 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-29 05:51:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:28,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:51:28,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:28,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:29,088 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:29,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298445436] [2021-10-29 05:51:29,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298445436] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:51:29,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1020764501] [2021-10-29 05:51:29,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:29,089 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-29 05:51:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 [2021-10-29 05:51:29,090 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-29 05:51:29,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-29 05:51:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:29,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 05:51:29,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:29,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:29,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:30,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1020764501] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:51:30,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997299753] [2021-10-29 05:51:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:30,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:51:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:51:30,276 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 05:51:30,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-29 05:51:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:30,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 05:51:30,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:31,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 05:51:31,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997299753] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-29 05:51:31,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-29 05:51:31,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-29 05:51:31,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633899408] [2021-10-29 05:51:31,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-29 05:51:31,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:31,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-29 05:51:31,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-29 05:51:31,281 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 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) [2021-10-29 05:51:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:36,037 INFO L93 Difference]: Finished difference Result 4777 states and 6284 transitions. [2021-10-29 05:51:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-29 05:51:36,057 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 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) Word has length 60 [2021-10-29 05:51:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:36,089 INFO L225 Difference]: With dead ends: 4777 [2021-10-29 05:51:36,089 INFO L226 Difference]: Without dead ends: 4459 [2021-10-29 05:51:36,094 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2035 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-29 05:51:36,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2021-10-29 05:51:36,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 664. [2021-10-29 05:51:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 663 states have (on average 1.3182503770739065) internal successors, (874), 663 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 874 transitions. [2021-10-29 05:51:36,242 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 874 transitions. Word has length 60 [2021-10-29 05:51:36,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:36,243 INFO L470 AbstractCegarLoop]: Abstraction has 664 states and 874 transitions. [2021-10-29 05:51:36,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.0) internal successors, (120), 11 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) [2021-10-29 05:51:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 874 transitions. [2021-10-29 05:51:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 05:51:36,246 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:51:36,246 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:36,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:36,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-29 05:51:36,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:36,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 05:51:36,851 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:51:36,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:51:36,851 INFO L85 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2021-10-29 05:51:36,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:51:36,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444626988] [2021-10-29 05:51:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:51:36,852 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:51:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:51:36,854 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:51:36,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-29 05:51:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:51:37,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 05:51:37,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:51:37,620 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:51:37,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:51:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 05:51:37,869 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:51:37,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444626988] [2021-10-29 05:51:37,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444626988] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:51:37,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:51:37,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-29 05:51:37,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709067506] [2021-10-29 05:51:37,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:51:37,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:51:37,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:51:37,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:51:37,872 INFO L87 Difference]: Start difference. First operand 664 states and 874 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:51:38,001 INFO L93 Difference]: Finished difference Result 1066 states and 1374 transitions. [2021-10-29 05:51:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:51:38,002 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2021-10-29 05:51:38,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:51:38,003 INFO L225 Difference]: With dead ends: 1066 [2021-10-29 05:51:38,003 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:51:38,005 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-29 05:51:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:51:38,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:51:38,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:51:38,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-10-29 05:51:38,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:51:38,006 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:51:38,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:51:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:51:38,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:51:38,010 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:38,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:38,011 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:51:38,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-29 05:51:38,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:51:38,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:51:38,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:38,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:39,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:40,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:41,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:51:49,505 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,505 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-6(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-8(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-10(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-12(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-14(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-16(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-18(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,506 INFO L857 garLoopResultBuilder]: For program point L235-20(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,507 INFO L857 garLoopResultBuilder]: For program point L235-22(lines 235 241) no Hoare annotation was computed. [2021-10-29 05:51:49,507 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,507 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,507 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,507 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,508 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,508 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,508 INFO L857 garLoopResultBuilder]: For program point L500-6(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,508 INFO L857 garLoopResultBuilder]: For program point L500-7(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,508 INFO L857 garLoopResultBuilder]: For program point L500-8(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,509 INFO L857 garLoopResultBuilder]: For program point L500-9(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,509 INFO L857 garLoopResultBuilder]: For program point L500-10(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,509 INFO L857 garLoopResultBuilder]: For program point L500-11(lines 500 506) no Hoare annotation was computed. [2021-10-29 05:51:49,509 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-10-29 05:51:49,509 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 377) no Hoare annotation was computed. [2021-10-29 05:51:49,510 INFO L853 garLoopResultBuilder]: At program point L371-1(lines 371 377) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse2 .cse3 .cse6) (and .cse0 .cse2 .cse5 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse6))) [2021-10-29 05:51:49,510 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,510 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,511 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,511 INFO L857 garLoopResultBuilder]: For program point L173-3(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,511 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,511 INFO L857 garLoopResultBuilder]: For program point L173-5(lines 173 190) no Hoare annotation was computed. [2021-10-29 05:51:49,511 INFO L853 garLoopResultBuilder]: At program point L505(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,512 INFO L853 garLoopResultBuilder]: At program point L505-1(lines 496 509) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,512 INFO L853 garLoopResultBuilder]: At program point L505-2(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,512 INFO L853 garLoopResultBuilder]: At program point L505-3(lines 496 509) 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 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-29 05:51:49,512 INFO L853 garLoopResultBuilder]: At program point L505-4(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,513 INFO L853 garLoopResultBuilder]: At program point L505-5(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,513 INFO L853 garLoopResultBuilder]: At program point L505-6(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,513 INFO L853 garLoopResultBuilder]: At program point L505-7(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,513 INFO L853 garLoopResultBuilder]: At program point L505-8(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,513 INFO L853 garLoopResultBuilder]: At program point L505-9(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,514 INFO L853 garLoopResultBuilder]: At program point L505-10(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,514 INFO L853 garLoopResultBuilder]: At program point L505-11(lines 496 509) the Hoare annotation is: false [2021-10-29 05:51:49,514 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,514 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,514 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,515 INFO L857 garLoopResultBuilder]: For program point L177-3(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,515 INFO L857 garLoopResultBuilder]: For program point L177-4(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,515 INFO L857 garLoopResultBuilder]: For program point L177-5(lines 177 185) no Hoare annotation was computed. [2021-10-29 05:51:49,515 INFO L853 garLoopResultBuilder]: At program point L971(lines 967 973) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,515 INFO L853 garLoopResultBuilder]: At program point L115(lines 114 133) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-29 05:51:49,516 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2021-10-29 05:51:49,516 INFO L853 garLoopResultBuilder]: At program point L115-2(lines 114 133) the Hoare annotation is: false [2021-10-29 05:51:49,516 INFO L853 garLoopResultBuilder]: At program point L115-3(lines 114 133) the Hoare annotation is: false [2021-10-29 05:51:49,516 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-10-29 05:51:49,516 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 387) no Hoare annotation was computed. [2021-10-29 05:51:49,517 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 381 387) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-29 05:51:49,517 INFO L853 garLoopResultBuilder]: At program point L515(lines 510 518) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-29 05:51:49,517 INFO L853 garLoopResultBuilder]: At program point L515-1(lines 510 518) the Hoare annotation is: false [2021-10-29 05:51:49,517 INFO L853 garLoopResultBuilder]: At program point L515-2(lines 510 518) the Hoare annotation is: false [2021-10-29 05:51:49,518 INFO L853 garLoopResultBuilder]: At program point L515-3(lines 510 518) the Hoare annotation is: false [2021-10-29 05:51:49,518 INFO L853 garLoopResultBuilder]: At program point L515-4(lines 510 518) the Hoare annotation is: false [2021-10-29 05:51:49,518 INFO L853 garLoopResultBuilder]: At program point L515-5(lines 510 518) the Hoare annotation is: false [2021-10-29 05:51:49,518 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,518 INFO L857 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,519 INFO L857 garLoopResultBuilder]: For program point L318-3(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,519 INFO L857 garLoopResultBuilder]: For program point L318-5(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,519 INFO L857 garLoopResultBuilder]: For program point L318-6(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,519 INFO L857 garLoopResultBuilder]: For program point L318-8(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,519 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,520 INFO L857 garLoopResultBuilder]: For program point L318-9(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,520 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,520 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,520 INFO L857 garLoopResultBuilder]: For program point L318-11(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,520 INFO L857 garLoopResultBuilder]: For program point L318-12(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,521 INFO L857 garLoopResultBuilder]: For program point L318-14(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,521 INFO L857 garLoopResultBuilder]: For program point L318-15(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,521 INFO L857 garLoopResultBuilder]: For program point L318-17(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,521 INFO L857 garLoopResultBuilder]: For program point L318-18(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,521 INFO L857 garLoopResultBuilder]: For program point L318-20(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,522 INFO L857 garLoopResultBuilder]: For program point L318-21(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,522 INFO L857 garLoopResultBuilder]: For program point L318-23(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,522 INFO L857 garLoopResultBuilder]: For program point L318-24(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,522 INFO L857 garLoopResultBuilder]: For program point L318-26(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,522 INFO L857 garLoopResultBuilder]: For program point L318-27(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,523 INFO L857 garLoopResultBuilder]: For program point L318-29(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,523 INFO L857 garLoopResultBuilder]: For program point L318-30(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,523 INFO L857 garLoopResultBuilder]: For program point L318-32(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,523 INFO L857 garLoopResultBuilder]: For program point L318-33(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,523 INFO L857 garLoopResultBuilder]: For program point L318-35(lines 318 322) no Hoare annotation was computed. [2021-10-29 05:51:49,524 INFO L853 garLoopResultBuilder]: At program point L122(lines 122 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse3))) [2021-10-29 05:51:49,524 INFO L853 garLoopResultBuilder]: At program point L122-1(lines 122 128) the Hoare annotation is: false [2021-10-29 05:51:49,524 INFO L853 garLoopResultBuilder]: At program point L122-2(lines 122 128) the Hoare annotation is: false [2021-10-29 05:51:49,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:51:49,524 INFO L853 garLoopResultBuilder]: At program point L324(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,525 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 309 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,525 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,525 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 309 327) 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 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 (_ bv1 32)) .cse2))) [2021-10-29 05:51:49,525 INFO L853 garLoopResultBuilder]: At program point L324-4(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,526 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,526 INFO L853 garLoopResultBuilder]: At program point L324-6(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,526 INFO L853 garLoopResultBuilder]: At program point L324-7(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,526 INFO L853 garLoopResultBuilder]: At program point L324-8(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,526 INFO L853 garLoopResultBuilder]: At program point L324-9(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,527 INFO L853 garLoopResultBuilder]: At program point L324-10(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,527 INFO L853 garLoopResultBuilder]: At program point L324-11(lines 309 327) the Hoare annotation is: false [2021-10-29 05:51:49,527 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 402) no Hoare annotation was computed. [2021-10-29 05:51:49,527 INFO L853 garLoopResultBuilder]: At program point L260(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-29 05:51:49,527 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,528 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,528 INFO L853 garLoopResultBuilder]: At program point L260-3(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,528 INFO L853 garLoopResultBuilder]: At program point L260-4(lines 253 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,528 INFO L853 garLoopResultBuilder]: At program point L260-5(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,528 INFO L853 garLoopResultBuilder]: At program point L260-6(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,529 INFO L853 garLoopResultBuilder]: At program point L260-7(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,529 INFO L853 garLoopResultBuilder]: At program point L260-8(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,529 INFO L853 garLoopResultBuilder]: At program point L260-9(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,529 INFO L853 garLoopResultBuilder]: At program point L260-10(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,529 INFO L853 garLoopResultBuilder]: At program point L260-11(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,530 INFO L853 garLoopResultBuilder]: At program point L260-12(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,530 INFO L853 garLoopResultBuilder]: At program point L260-13(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,530 INFO L853 garLoopResultBuilder]: At program point L260-14(lines 253 263) the Hoare annotation is: false [2021-10-29 05:51:49,530 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-10-29 05:51:49,530 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,531 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,531 INFO L853 garLoopResultBuilder]: At program point L460-3(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,531 INFO L853 garLoopResultBuilder]: At program point L460-4(lines 455 463) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,531 INFO L853 garLoopResultBuilder]: At program point L460-5(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,531 INFO L853 garLoopResultBuilder]: At program point L460-6(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,532 INFO L853 garLoopResultBuilder]: At program point L460-7(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,532 INFO L853 garLoopResultBuilder]: At program point L460-8(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,532 INFO L853 garLoopResultBuilder]: At program point L460-9(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,532 INFO L853 garLoopResultBuilder]: At program point L460-10(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,532 INFO L853 garLoopResultBuilder]: At program point L460-11(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,533 INFO L853 garLoopResultBuilder]: At program point L460-12(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,533 INFO L853 garLoopResultBuilder]: At program point L460-13(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,533 INFO L853 garLoopResultBuilder]: At program point L460-14(lines 455 463) the Hoare annotation is: false [2021-10-29 05:51:49,533 INFO L853 garLoopResultBuilder]: At program point L923-2(lines 923 937) the Hoare annotation is: false [2021-10-29 05:51:49,533 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:51:49,533 INFO L857 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-10-29 05:51:49,534 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,534 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 541) no Hoare annotation was computed. [2021-10-29 05:51:49,534 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 1 1006) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) .cse1) (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3))) [2021-10-29 05:51:49,534 INFO L857 garLoopResultBuilder]: For program point L528-2(lines 528 541) no Hoare annotation was computed. [2021-10-29 05:51:49,535 INFO L853 garLoopResultBuilder]: At program point L528-3(lines 1 1006) the Hoare annotation is: false [2021-10-29 05:51:49,535 INFO L857 garLoopResultBuilder]: For program point L528-4(lines 528 541) no Hoare annotation was computed. [2021-10-29 05:51:49,535 INFO L853 garLoopResultBuilder]: At program point L528-5(lines 1 1006) the Hoare annotation is: false [2021-10-29 05:51:49,535 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2021-10-29 05:51:49,535 INFO L857 garLoopResultBuilder]: For program point L397-2(lines 115 121) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 216) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 199 216) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L199-2(lines 199 216) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 931) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L927-1(lines 115 121) no Hoare annotation was computed. [2021-10-29 05:51:49,536 INFO L857 garLoopResultBuilder]: For program point L994(lines 994 1001) no Hoare annotation was computed. [2021-10-29 05:51:49,537 INFO L860 garLoopResultBuilder]: At program point L994-1(lines 994 1001) the Hoare annotation is: true [2021-10-29 05:51:49,537 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 538) no Hoare annotation was computed. [2021-10-29 05:51:49,537 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 538) no Hoare annotation was computed. [2021-10-29 05:51:49,537 INFO L857 garLoopResultBuilder]: For program point L532-4(lines 532 538) no Hoare annotation was computed. [2021-10-29 05:51:49,537 INFO L853 garLoopResultBuilder]: At program point L269(lines 264 272) the Hoare annotation is: false [2021-10-29 05:51:49,538 INFO L853 garLoopResultBuilder]: At program point L269-1(lines 264 272) the Hoare annotation is: false [2021-10-29 05:51:49,538 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 211) no Hoare annotation was computed. [2021-10-29 05:51:49,538 INFO L853 garLoopResultBuilder]: At program point L269-2(lines 264 272) the Hoare annotation is: false [2021-10-29 05:51:49,538 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 203 211) no Hoare annotation was computed. [2021-10-29 05:51:49,538 INFO L857 garLoopResultBuilder]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2021-10-29 05:51:49,539 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,539 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,539 INFO L857 garLoopResultBuilder]: For program point L337-3(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,539 INFO L857 garLoopResultBuilder]: For program point L337-5(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,539 INFO L857 garLoopResultBuilder]: For program point L337-6(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,540 INFO L857 garLoopResultBuilder]: For program point L337-8(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,540 INFO L857 garLoopResultBuilder]: For program point L337-9(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,540 INFO L857 garLoopResultBuilder]: For program point L337-11(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,540 INFO L857 garLoopResultBuilder]: For program point L337-12(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,540 INFO L857 garLoopResultBuilder]: For program point L337-14(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,541 INFO L857 garLoopResultBuilder]: For program point L337-15(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,541 INFO L857 garLoopResultBuilder]: For program point L337-17(lines 337 341) no Hoare annotation was computed. [2021-10-29 05:51:49,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 05:51:49,541 INFO L853 garLoopResultBuilder]: At program point L407(lines 360 408) the Hoare annotation is: false [2021-10-29 05:51:49,541 INFO L860 garLoopResultBuilder]: At program point L1003(lines 984 1006) the Hoare annotation is: true [2021-10-29 05:51:49,542 INFO L853 garLoopResultBuilder]: At program point L343(lines 328 346) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 (_ bv0 32))) (= ULTIMATE.start_processEnvironment_~tmp~2 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) [2021-10-29 05:51:49,542 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 328 346) the Hoare annotation is: false [2021-10-29 05:51:49,542 INFO L853 garLoopResultBuilder]: At program point L343-2(lines 328 346) the Hoare annotation is: false [2021-10-29 05:51:49,542 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 328 346) the Hoare annotation is: false [2021-10-29 05:51:49,542 INFO L853 garLoopResultBuilder]: At program point L343-4(lines 328 346) the Hoare annotation is: false [2021-10-29 05:51:49,543 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 328 346) the Hoare annotation is: false [2021-10-29 05:51:49,543 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,543 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,543 INFO L857 garLoopResultBuilder]: For program point L147-2(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,543 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-4(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-5(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-6(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-7(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-8(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,544 INFO L857 garLoopResultBuilder]: For program point L147-9(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,545 INFO L857 garLoopResultBuilder]: For program point L147-10(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,545 INFO L857 garLoopResultBuilder]: For program point L147-11(lines 147 164) no Hoare annotation was computed. [2021-10-29 05:51:49,545 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 1006) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,545 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,545 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,546 INFO L857 garLoopResultBuilder]: For program point L151-2(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,546 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,546 INFO L857 garLoopResultBuilder]: For program point L151-4(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,546 INFO L857 garLoopResultBuilder]: For program point L151-5(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,546 INFO L857 garLoopResultBuilder]: For program point L151-6(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,547 INFO L857 garLoopResultBuilder]: For program point L151-7(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,547 INFO L857 garLoopResultBuilder]: For program point L151-8(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,547 INFO L857 garLoopResultBuilder]: For program point L151-9(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,547 INFO L857 garLoopResultBuilder]: For program point L151-10(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,547 INFO L857 garLoopResultBuilder]: For program point L151-11(lines 151 159) no Hoare annotation was computed. [2021-10-29 05:51:49,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:51:49,548 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-29 05:51:49,548 INFO L857 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-10-29 05:51:49,548 INFO L857 garLoopResultBuilder]: For program point L423-3(lines 423 427) no Hoare annotation was computed. [2021-10-29 05:51:49,548 INFO L857 garLoopResultBuilder]: For program point L423-6(lines 423 427) no Hoare annotation was computed. [2021-10-29 05:51:49,549 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:51:49,549 INFO L853 garLoopResultBuilder]: At program point L492(lines 487 495) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-29 05:51:49,549 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 487 495) the Hoare annotation is: false [2021-10-29 05:51:49,549 INFO L853 garLoopResultBuilder]: At program point L492-2(lines 487 495) the Hoare annotation is: false [2021-10-29 05:51:49,549 INFO L857 garLoopResultBuilder]: For program point L362(lines 361 406) no Hoare annotation was computed. [2021-10-29 05:51:49,550 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 367) no Hoare annotation was computed. [2021-10-29 05:51:49,553 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:51:49,554 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:51:49,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:51:49 BoogieIcfgContainer [2021-10-29 05:51:49,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:51:49,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:51:49,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:51:49,587 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:51:49,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:51:16" (3/4) ... [2021-10-29 05:51:49,591 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:51:49,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 05:51:49,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 05:51:49,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 05:51:49,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 05:51:49,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:51:49,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:51:49,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:51:49,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-29 05:51:49,677 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-29 05:51:49,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-10-29 05:51:49,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-10-29 05:51:49,683 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:51:49,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 [2021-10-29 05:51:49,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning [2021-10-29 05:51:49,813 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:51:49,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:51:49,816 INFO L168 Benchmark]: Toolchain (without parser) took 37214.92 ms. Allocated memory was 58.7 MB in the beginning and 211.8 MB in the end (delta: 153.1 MB). Free memory was 35.4 MB in the beginning and 129.3 MB in the end (delta: -93.9 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,816 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:51:49,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.18 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 27.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.63 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.8 MB in the beginning and 53.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,818 INFO L168 Benchmark]: Boogie Preprocessor took 84.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,818 INFO L168 Benchmark]: RCFGBuilder took 3271.10 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 48.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,819 INFO L168 Benchmark]: TraceAbstraction took 32677.06 ms. Allocated memory was 73.4 MB in the beginning and 211.8 MB in the end (delta: 138.4 MB). Free memory was 47.7 MB in the beginning and 147.2 MB in the end (delta: -99.5 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,819 INFO L168 Benchmark]: Witness Printer took 227.10 ms. Allocated memory is still 211.8 MB. Free memory was 147.2 MB in the beginning and 129.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:51:49,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.18 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 27.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 154.63 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.8 MB in the beginning and 53.6 MB in the end (delta: -25.7 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.74 ms. Allocated memory is still 73.4 MB. Free memory was 53.6 MB in the beginning and 49.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3271.10 ms. Allocated memory is still 73.4 MB. Free memory was 49.4 MB in the beginning and 48.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32677.06 ms. Allocated memory was 73.4 MB in the beginning and 211.8 MB in the end (delta: 138.4 MB). Free memory was 47.7 MB in the beginning and 147.2 MB in the end (delta: -99.5 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.1 GB. * Witness Printer took 227.10 ms. Allocated memory is still 211.8 MB. Free memory was 147.2 MB in the beginning and 129.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 32.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1896 SDtfs, 4996 SDslu, 5243 SDs, 0 SdLazy, 914 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1349 GetRequests, 1213 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=664occurred in iteration=10, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 5356 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 230 NumberOfFragments, 673 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1428329 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 90 FomulaSimplificationsInter, 103863 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1254 ConstructedInterpolants, 0 QuantifiedInterpolants, 2782 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3237 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 264/330 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: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && tmp == 0bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && tmp == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && 1bv32 == \result) && !(tmp == 0bv32)) && tmp == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 05:51:49,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a46153f-1362-4700-9b32-900fe1a2dc9d/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...